Cold hands and feet indicate blood deficiency and need to replenish blood. It is recommended to supplement iron folic acid tablets, and it is recommended not to drink alcohol to prevent alcoholic hepatitis and fatty liver. In addition, vitamins A, C, E and protein can be supplemented, so as to enhance the antioxidant capacity and enhance the autoimmune ability. By supplementing B vitamins, the liver can be protected, its normal function can be maintained, and its detoxification can be helped. In addition, garlic slices can be added blindly to prevent viruses, germs and malignant transformation.