First, the varieties of different varieties of cucumber storability have obvious differences, those melon skin thicker, dark green color, thick flesh, less epidermal puncture cucumber resistant storage. Epidermis many cucumber, easy to bruise, gull easily touched, mechanical wounds caused by microbial infection, leading to rot. The cucumber varieties that are more resistant to storage are Cunjinyan No.1, No.2, No.4 and No.7, Baitao winter cucumber, and Cangzhou early cucumber. Beijing small thorns gourd and Changchun dense thorns, melons are small, thin, more stabbed, intolerant storage. In addition to taking into consideration the Tibetan tolerance, flavor quality and nutrition should also be considered. For example, Jinyan No. 2 is more resistant to storage than No. 1 and has good quality, high vitamin C content, and high yield. Second, the same variety is harvested, and the young cucumber has the best storage effect, and the high ripeness is likely to cause aging and yellowing and loss of commercial property. The storage cucumbers should be picked slightly more tender than the ones listed immediately. However, when they are too tender, they have high water content and less soluble solids, and they are also resistant to storage and rot. Moderate, full and healthy green melon strips should be selected for storage. For storage of cucumber in autumn, the sowing date should be later than that of normal autumn cucumber. In this way, the temperature during harvesting is relatively low, so that it is convenient to use its own low temperature for storage. However, harvesting can not be too late, otherwise the temperature is too low, it will make the cucumber suffer from cold damage, when picking requires melon green, top flower prickly, grow in the middle of the plant "waist melon", melon straight, close to the ground "root melon "The melon body is often bent and the melon strips are in contact with the ground. They are easily infected with germs and cannot be used for storage." The cucumber at the top of the melon pods is of poor quality and should not be stored. Picking should be carried out in the early morning. It is best to cut with scissors and handles. Third, the storage conditions of cucumber native tropical areas, is a kind of cold sensitive fruit, cold damage occurs below 10 °C; chilly lesions on the surface of the first submerged spot and water dip spots, the most sensitive cucumber head, then The depression spots on the entire melon strip become larger, the melon strips become dehydrated and atrophy, become soft, and are susceptible to microbial infestation and rot. The symptoms of chilling injury of cucumbers generally do not show up at low temperatures. After the temperature of cucumbers has risen, especially at normal temperature, the melon strips have rapidly decayed. The low temperature chilling injury of cucumber is closely related to the storage temperature and humidity. The lower the relative temperature, the more severe the depression spots. The storage temperature of autumn cucumbers can be lower than 10°C, and some can tolerate low temperatures of 8°C. Cucumbers rapidly turn yellow and age at temperatures higher than 15°C. Therefore, the storage temperature of cucumber is 12-13 °C. Cucumber has a high moisture content, poor protection organization, and is extremely susceptible to dehydration and wilting after harvest, requiring a relative humidity of 95% or higher. Fourth, storage methods 1, ventilation pit storage. In the autumn and winter seasons, it is possible to use a ventilated storehouse to store cucumbers, store them with sulphur and Kemeiling before storage, and then pack the cucumbers with plastic film to provide insulation and air-conditioning. Use a 0.03 mm thick vinyl bag to pack 1–2 kg of cucumber, fold it, and place it on a stand. The cucumber code can also be moisturized on the shelf, covered with a layer of plastic film. After the stacking box is installed, a 0.06-0.08 mm thick plastic is used to make the book, which is placed on the crucible and sealed around. When the carbon dioxide is higher than 5% and the oxygen is less than 5%, the ventilation and ventilation are accounted for. When entering the storage, it is necessary to strictly select the cucumbers, store them, and maintain the required temperature and relative humidity as much as possible. In addition, regular inspections should be conducted to avoid rot damage. Ethylene absorbers should be added to plastic bags or bags. 2, water cellar storage. In areas with high groundwater levels, fresh cucumbers can be excavated in the cellar. The water cellar is a semi-subterranean crypt. It is generally 2 meters deep in the cellar, 0.5 meters deep in the cellar, 2.5 meters wide in the bottom of the cellar, and 3 meters wide in the cellar mouth. The bottom of the cellar is slightly sloped, and the lower end is digging a deep well. In order to prevent the water in the pit from being too deep, the above-ground part of the pit was used to build an earth wall with a thickness of 0.6-1 m and a height of about 0.5 m, with a wooden raft erected above it. Ventilate two skylights on top. The two side walls near the pit were made of bamboo strips and wooden planks to form storage racks, and boards were used to form aisles. 3, cylinder possession. Wash the cylinder, use 0.5% - 1% bleach or 0.2% sodium hypochlorite disinfection, the bottom of the cylinder into the 10 - 20 cm deep clean water, maintain and increase humidity, in the water 7 - 10 At centimeters, put a cross or a sculpted frame that is nailed by a wooden board, and put a bamboo blind on it. On the round pods, place the cucumber fruit outwards along the cylinder's perimeter, about 10 centimeters from the cylinder mouth, leaving a gap in the center of the cylinder for heat dissipation and inspection. Then seal the cylinder mouth with kraft paper. The cylinder is placed in the room, put on the ground or partially buried in the ground, and precautions are taken in the early stage to prevent heat and check it often. 4, cold storage. The cucumber is put into the cold storage of 12-13°C as soon as possible after harvest, and its storage method is the same as that of the ventilation warehouse. 5, controlled atmosphere storage. Both the cold storage and the ventilated storage can be stored in a controlled atmosphere, the temperature is slightly higher than 13 °C, and the gas composition and operation method are as described above.