Spring is the best time to nourish and protect the liver, especially at the vernal equinox. However, spring is also a good season for liver diseases. If you don't pay attention to nursed back to health, the liver qi will increase too much, or the liver qi will stagnate, which is easy to hurt the liver and cause disease. Therefore, it is urgent to preserve health in spring and protect and nourish the liver. Five elements of towels, spring belongs to wood, is a vibrant season, but it is also a changeable season. As the saying goes, "the stepmother of spring" may catch cold and get sick if she is not careful. In the human body, the liver belongs to wood and sexual pleasure is smooth. According to the image of zang-fu organs and the theory of meridians in traditional Chinese medicine, if the liver qi is not smooth or stagnated, the eyes will be sour or blurred, or the white eyes will be congested. If liver qi invades the stomach, it is easy to have symptoms of digestive system such as burping, constipation and flatulence; The flower of the liver is in the claw. If liver blood deficiency, nails are dull, rough and easy to crack; If liver yang is hyperactive (liver fire is vigorous), there will be neuropsychiatric symptoms such as hypertension, headache, dizziness and insomnia; The main muscles of the liver, if they often stay up late and lack exercise, are prone to fatigue syndrome with tight muscles and sore body.