A common cause of yin deficiency and hyper yang is damage to kidney yin. When yin cannot restrain yang, the body will experience symptoms such as dizziness and tinnitus, insomnia and dreaminess, heavy head and light feet, irritability and heat in the five hearts, swelling and pain in the head and eyes, redness and redness in the face, impatience and irritability, soreness and weakness in the waist and knees, baking heat in the face, dryness of the mouth and tongue, hot flashes and night sweats, and red tongue with little fluid. When the disease process produces a pathological state of excessive yang energy, hyperactive metabolism, overheating and hyperfunction of yang, and increased reactivity of the body, it is a disease caused by yin deficiency and hyperactivity of yang. Yin deficiency and Yang hyperactivity are also the pathological basis for the development of primary hypertension. Under normal conditions, the yin and yang in the body are in balance and act as a mutual restraint, but when yin is deficient and yang is not restrained, hyperactivity may occur. In this case, you can take medicines to regulate Yin deficiency, such as Liu Wei Di Huang Wan or Zhi Bai Di Huang Wan, with some Chinese herbs for better effect. At the same time, it is important to pay attention to the regularity of life and do moderate exercise, preferably quit smoking and alcohol. Avoid eating foods that are cold and stimulating or have a lot of fire, you can eat some maitong, wu wei zi, huai yam, lotus seeds, etc., which will help to treat yin deficiency and improve the physical condition.