Yam is sweet in taste and neutral in nature, and enters the lung, spleen, and kidney meridian; it is not dry or greasy; It has the effects of brightening the ears and eyesight, helping the five internal organs, strengthening the muscles and bones, calming the mind and calming the mind, and prolonging life;

It is mainly used to treat weak spleen and stomach, fatigue and weakness, loss of appetite, chronic diarrhea and dysentery, lung qi deficiency and dryness, phlegm and cough, and kidney qi. Loss of energy, soreness of waist and knees, weakness of lower limbs, thirst and frequent urination, nocturnal emission and premature ejaculation, white and turbid vaginal discharge, red and swollen skin, obesity and other symptoms.

"Compendium of Materia Medica" summarizes the five major functions of "tonifying kidney qi, strengthening the spleen and stomach, stopping dysentery, resolving phlegm and saliva, and moisturizing the skin." Cook yam in porridge or simmer it with rock sugar before taking it. It is good for poor health, enteritis, It is effective for chronic diseases such as kidney deficiency.

1. Replenishing the spleen and stomach: treating weakness of the spleen and stomach, diarrhea, physical fatigue, lack of food, and sweating.

2. Benefit the lungs and nourish the kidneys: This product is neither cold nor dry, sweet and moist, and can treat thirst, spermatorrhea, vaginal discharge and other diseases caused by lung and kidney deficiency.

However, you should also pay attention to the following:

1. The saponin contained in the yam skin or the plant alkaloids contained in the mucus may cause yam allergy and itching in a small number of people. Direct contact should be avoided when handling yam.

2. It cannot be eaten raw because there are certain toxins in raw yam.