When the symptoms of jaundice appear, you can use the appropriate amount of decoction of Yin Chen and then fumigate the body to achieve the effect of reducing jaundice. But for patients with severe symptoms, the therapeutic effect is limited. Therefore, it is not recommended to use Yin Chen to take a bath blindly, patients should go to the hospital in time, and be guided by the doctor to use the medicine. Yin Chen is good at facilitating the dampness of the liver and gallbladder to reduce jaundice, and is the key medicine for jaundice. Bitter can lower the excretion, cold to clear heat, so especially good at clearing the liver and gallbladder dampness and heat (dampness and heat in the liver and gallbladder), so that it from the urine out. If the body is like orange color, belongs to yang yellowness, often with gypsum, gardenia; if belongs to cold and damp stagnation, develops as yin yellowness, then with epiphyllum, dry ginger. If there is head sweating, body without sweat, flush neck and still, urine is unfavorable (urination is not smooth), thirst lead to water pulp, body yellow and other symptoms of yangming disease patients, can be used in the artemisia capillaris soup. Yin Chen taste bitter, slightly cold, into the liver meridian blood (in the four periods of warm disease Wei Qi Ying blood, belong to the most in-depth stage or disease), has the effect of detoxification and treatment of sores. It is often used with cypress, Poria cocos to treat itchy sores and rashes caused by internal dampness and heat, and can also be used as a single decoction for external cleansing.