Generally, it takes about 10-20 days to install a cold storage for vegetables & fruits, which is mainly determined according to the size of the refrigerator area. Before the fruit is put into the cold storage for vegetables & fruits, the cold store shall be disinfected with sulfur. Generally, one kilogram of sulfur can be used for disinfection of 100 cubic meters, and then the doors and windows shall not be opened within two days when the sawdust is used to ignite the closed doors and windows. The storage amount of each fruit shall not be too large, and about 10% of the daily purchase amount is good; before the fruit is put into the fruit preservation cold store, it shall be disinfected with sulfur Carry out screening to select rotten and damaged fruits, to avoid causing a large number of rotten and deteriorated fruits. Too large and too small fruits can not be put into the fresh-keeping refrigerator, too large or too small will lead to rotten and deteriorated fruits. Try to choose the storage time of fruits: precooling the selected fruits first and then transport them to the fresh-keeping freezer. Place the selected fruits on the cool and dry ground overnight and move them to the freezer before daybreak. If you want to store them for a long time and use the fresh-keeping bags to load them in batches, place the packed fruits gently in the fruit freezer, but stack them in a strict and large amount make it light to avoid fruit collision and bruise in the process of transportation.