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In order to solve paddy quality loss during drying process and storage, a natural cold resource (NCR) warehouse, which used the nature environment ice for providing cold energy to store high moisture paddy and reduce deterioration of paddy during storage period was designed. The NCR warehouse was composed by refrigeration system, paddy storehouse, ice storehouse, equipment room and control system. The paddy storehouse was a closed chamber with size of 3.8m×3m×2.8m, the ice storage room was 0.5m below ground with size of 4m×3m×2.5m. When the warehouse temperature was higher than the set temperature, the temperature sensor sent the signal to RMA411 remote input capture module, then the data output adopted the distal RM4024 analog output module, achieving real time communication between the host computer and output mold, through the RS485 serial series sent out command to start water pumps. The cold water which exchanged the cold energy from ice as coolant flowed from top to bottom in the finned tube heat exchanger by use of a water pump. The heat exchanged between hot air and heat exchanger under the action of the fan, and then the cool air was blown into warehouse to keep the paddy storage temperature at 10℃. The ice which collected in the winter provided cold energy for NCR warehouse. The paddy with inertial moisture content of 16.5% was packed on the weight of 10kg by woven bag. The paddy bags were stacked 5 layers and 12 bags per layer which stored in the NCR warehouse from May to September and another part of paddy was stored in an ordinary temperature warehouse stored in the same way as a control group. The physiological characters and processing characters of the paddy were evaluated at the end of every month. The result showed that moisture contents of paddy in the NCR warehouse was decreased less than the ordinary warehouse. The fatty acid value of paddy in the NCR warehouse was 18.3mg/（100g）. The germination rate of paddy in the NCR was 86.75%, and the total of molds was 5.1×104CFU/g. Cracked rate of paddy in the NCR warehouse and ordinary warehouse was increased by 2.77 percentage points and 16.65 percentage points, respectively. The storage character of paddy in NCR warehouse was superior to ordinary warehouse paddy. The result indicated that NCR warehouse showed a better performance on storing high moisture paddy in high temperature season.