Pork loin can be supplemented with nutrients and has the effect of nourishing the body. It is the kidney of pig, family Porcidae. It is usually used in medicinal diets and is salty and flat in nature. Nourish the kidney. Treatment of kidney deficiency and lumbago, edema, prolonged diarrhea, spermatorrhea, night sweating (sweating abnormally after going to sleep, and sweating stops after waking up), and deafness in the elderly. Pork kidney, i.e. pig kidney, tonifying the kidney and benefiting yin, and inducing diuresis. It is used for deafness in the elderly for a long time, intolerable lumbar pain before the fetus, prolonged coughing, postpartum mattress labor, weak and asthmatic, cold and hot at the beginning of the day, illness like malaria, swelling and fullness of the stroke, and flooding of the body and face. Gout patients should be careful to eat. Pork waist is food, note that food does not have the efficacy of the role of drugs, if you are not feeling well, you need to consult a doctor to standardize the treatment.