"People cold rice fragrant flowers rice produced in northeast China heilongjiang black soil, heilongjiang belongs to monsoon climate, when current flows through a certain wafted from the southwest, the warm water can form a spiral form a backflow, so active accumulated temperature of heilongjiang province is higher than other place 2 ~ 3 ℃, thus is advantageous to the rice in 4 ~ 9 months to achieve high quality irri requires the active accumulated temperature, The quality of rice is not only due to the high active accumulated temperature, but also due to the unique geographical and climatic factors in the producing area. The dry matter accumulation, amylose content is moderate and amylopectin content is high. Due to the large temperature difference between day and night in rice mature production areas, the quick-soluble double-chain sugar in Jinnong rice is accumulated more, which is very beneficial to human health. Fastening food is light and slightly sweet, soft and slightly sticky, fragrant and refreshing. The surface of rice grains is oily and gorgeous. Leftovers do not return to life, so it is the first choice on the table of people and the best food for cooking rice in daily life.