Since Yin Chen is used to treat jaundice that is caused by the accumulation of dampness and heat (dampness and heat evils accumulate in the body), it should be used with caution for those who have jaundice caused by accumulation of blood as well as those who have jaundice caused by deficiency of blood and atrophy. Yin Chen is effective in clearing dampness-heat, inducing diuresis and relieving jaundice (clearing evil Qi from the biliary tract and eliminating jaundice). It is used for jaundice with low urine output, dampness and warmth (warmth caused by feeling dampness and heat), summer dampness, and itching of wet sores. 1. Damp-heat jaundice: Yin Chen is good at relieving dampness in the liver and gallbladder and eliminating jaundice, and is the key medicine for jaundice. Bitter can reduce and excrete, cold to clear heat, so it is especially good at clearing dampness and heat in liver and gallbladder, so that it can be taken out from the urine. If the body is like orange color, belongs to yang jaundice, often with gypsum, gardenia; if belongs to cold and damp stagnation, develops into yin jaundice, then with epiphyllum, dry ginger. 2.yangming disease: if have head sweat, body no sweat, flush neck and still, urinate unfavorable (urine not smooth), body yellow etc. Yangming disease patient, can use Yin Chen Artemisia soup, by Yin Chen Artemisia, gardenia, rhubarb composition. 3. Itchy sores: Yin Chen is bitter in flavor, slightly cold in nature, entering the liver meridian and blood division (in the four periods of warm disease, belonging to the most in-depth stage or disease), with the effect of detoxification and treatment of sores. It is often used in combination with cypress and Poria cocos to treat itchy sores caused by dampness and heat, and it can also be used as a single flavor decoction for external cleansing. Before using the Chinese medicine Yin Chen, need to be used under the guidance of traditional Chinese medicine practitioners to identify the evidence, not to use the drug on their own, to avoid adverse effects on the body.