Warming and tonifying kidney yang, promoting diuresis and removing dampness, eliminating fatigue, moistening skin and regulating mood. Chinese medicine believes that coffee has the functions of warming kidney, strengthening yang, promoting diuresis and eliminating dampness. Modern research shows that coffee is very nutritious and contains a lot of vitamins, fatty acids and caffeine, so it has good nutritional value. Secondly, coffee also has health care function, which is good for skin care, because it has the effect of moistening skin. In addition, coffee can also induce diuresis and reduce swelling. Drinking coffee after drinking can induce diuresis and reduce swelling, and play a role in relieving alcoholism. In addition, it is nutritious, and has the functions of resisting fatigue, strengthening heart, strengthening bones and muscles, strengthening waist and knees and stimulating appetite.