Some people with severe yin deficiency are so hot that they even take off their clothes and roll on the ground. If it is still not good to adjust through diet and life, doctors may recommend them to use drugs such as Liuwei Dihuang Pill to nourish yin. Nowadays, many people regard Liuwei Dihuang Pill as a good product for strengthening yang and protecting kidney, even the whole family, old and young, take it, but it is a medicine after all, with strict indications, and improper use may cause problems. For example, fat people may affect the function of the spleen and stomach; Those who have obvious symptoms of kidney-yang deficiency, such as soreness of waist and knees, like warm and cold, should not take Liuwei Dihuang Pill. For those with obvious symptoms of kidney yin deficiency, it is best to take it with spleen-strengthening drugs under the guidance of a doctor, and the taking time should not be too long.