Fatty pork in the Compendium of Materia Medica, its main efficacy and function are: taste sweet, salty, sexual flat, into the spleen, stomach, kidney meridian, has the effect of nourishing the kidney, nourishing blood, nourishing Yin and moistening dryness. It is used for treating fever, thirst, thinness, kidney weakness, blood deficiency after childbirth, dry cough, constipation, nourishing deficiency, nourishing Yin, moistening dryness, nourishing liver Yin, moistening the skin, and facilitating diuresis. It also has a high nutritional value and is rich in fat as well as lecithin and cholesterol, which are essential nutrients for the human body, and if these nutrients are not sufficient, it can cause wasting and other diseases.