Li Shizhen, a famous doctor in Ming Dynasty, recorded in Compendium of Materia Medica that walnut kernel has the effects of "benefiting qi and nourishing blood, moistening dryness and resolving phlegm, benefiting qi and promoting fluid production, treating triple energizer, warming lung and moistening intestine, treating cough due to deficiency cold, severe pain in waist and feet, hernia in heart and diarrhea in intestine". Walnut is widely used to treat neurasthenia, hypertension, coronary heart disease, emphysema, stomachache and other diseases. Without any treatment, this product absolutely keeps the original flavor of wild hickory in Northeast China. Does not contain preservatives and other harmful ingredients. It is the most ideal nourishing, health-care and health-preserving pure natural food.

Carya cathayensis is of high medicinal value. Chinese medicine has always believed that walnut kernel is warm and sweet, and has the functions of nourishing brain, kidney, stomach and blood. Nuts are rich in protein, amino acids and mineral elements. It has high nutritional value. And moisten lung, strengthen kidney, reduce blood fat and prevent coronary heart disease. Long-term consumption has the effects of prolonging life, caring skin and resisting aging, and pregnant women have a magical effect on fetal intelligence development. Carya cathayensis kernel contains 7.8~6.9% of protein, more than 7 kinds of amino acids necessary for human body, and the content is as high as 25%. It also contains 22 mineral elements necessary for human body, rich in calcium, magnesium, phosphorus, zinc and iron, and has high nutritional value.