Yin deficiency and hyperactivity of yang, i.e. Yin deficiency of the liver and kidney (insufficient yin in the liver and kidney) and hyperactivity of liver yang (hyperactivity of liver yang, which causes dizziness, dizziness, headache, etc.), with clinical manifestations such as vertigo, tinnitus, distension of the head and eyes, impatience, palpitations, (accelerated heartbeat, often accompanied by panic), amnesia, lumbar and knee tenderness, (a feeling of soreness and weakness of the lumbar and knee), and light-headedness. Liver and kidney yin deficiency, can not control the yang, resulting in liver yang hyperactivity, blood and qi, then dizziness, tinnitus, head and eyes distension; liver yang hyperactivity, so irritability, forgetfulness, insomnia; liver and kidney yin deficiency, meridian loss of nourishment, so the waist and knees, weakness; hyperactivity of the yang on the yin deficiency in the lower, the top of the bottom of the deficiency (human body on the upper manifestations of the headache, irritability, the lower manifestations of the lumbar acid, urination, etc.), so light-headedness. Yin deficiency and hyper yang performance to head and face symptoms and mental changes, head and face can be seen vertigo, tinnitus, head swelling and pain, mental changes have panic, upset, insomnia, in addition to visible deficiency symptoms such as lumbar and knee soreness and weakness, light-headedness. The above symptoms need to consult the doctor in time, do not delay the condition.