The processed rice of "Puyahe" selenium-rich rice is taken from some rice fields around Puyang Farm and Junchuan Farm in the fertile Heilongjiang and Songhua River basins. The green rice is taken from Puyang Farm Co., Ltd. National Rice Planting Standardization Demonstration Zone. The raw materials are all from the geographic coordinates of 47°10'～47°23' north latitude and 130°58'～131°33' east longitude. The paddy fields within the range of 130°58'～131°33' east are frigid rice. Its unique geographical location and geographical environment determine its rice quality. Irreplaceable regional characteristics. "Puyahe" selenium-enriched rice is made of high-quality special varieties of new rice that year, processed by advanced technology, high in taste, pearly, crystal clear, nutritious, safe, and has a unique taste. After 3 batches of sampling inspection in 2020, the selenium content is 180 micrograms/kg.