Feeling hot in the foot but feeling normal local skin temperature when touching the skin, most of them may be caused by Yin deficiency and fire, mostly in elderly people, patients with chronic diseases and patients with physical deficiency. Yin deficiency and exuberant fire are symptoms of hyperactivity of kidney yang due to deficiency of kidney yin, loss of nourishment and internal heat. Kidney yin deficiency is often caused by prolonged illness, excessive exertion or excessive use of pungent, warm, dry and strong drugs and foods. Patients can go to a regular Chinese medicine hospital and take medication and dietary regimen under the guidance of a doctor. Usually, oral medications such as Zuo Gui Wan, Liu Wei Di Huang Wan, Zhi Bai Di Huang Wan, etc. can be taken to nourish Yin and clear heat. In daily life, you should pay attention to eat less spicy and stimulating food, try to match nutrition, you can eat more black sesame, black beans, black fungus and other foods to nourish the kidneys, and drink more warm water. You need to maintain a relaxed mood, ensure sufficient sleep, and pay attention to the moderation of sexual life. Patients can do proper exercise to enhance their own physical fitness, for patients with chronic diseases need to actively treat the original disease, and reasonable health conditioning. However, smoking and drinking are prohibited.