Castanea mollissima in Luotian County was planted artificially before the Spring and Autumn Period and the Warring States Period, and its origin was distributed all over the county. Luotian chestnut kernel contains starch, protein, fat, calcium, phosphorus, iron, vitamins A, B, C, B2 and other substances. The content of protein is 30% higher than that of rice, and the fat is 20 times higher than that of rice. Chestnut has the functions of nourishing stomach, strengthening spleen, tonifying kidney and strengthening tendons. Eating chestnut regularly can replenish qi and blood, nourish stomach and kidney, strengthen liver and spleen, and prevent and treat hypertension, coronary heart disease, arteriosclerosis and osteopathy. Jiuzihe Poria cocos is a valuable Chinese herbal medicine variety, a symbol product of chinese national geography and a well-known specialty in Hubei. Location: Jiuzihe Town, Luotian County, Hubei Province. Luotian sweet persimmon refers to the sweet persimmon produced in Luotian County, Dabie Mountain, Hubei Province, China, which is a geographical indication product of China.