Drowsiness usually does not occur when taking Jaundice Yin Chen Granules, which has the effect of clearing heat and relieving bile (clearing away heat evils and facilitating the flow of bile) and reducing jaundice. However, if drowsiness occurs, it is necessary to clarify the cause of the disease in time. Jaundice Yin Chen Granules is mainly composed of Yin Chen, Rhubarb, Scutellaria Baicalensis and Licorice. It is used to treat jaundice caused by the accumulation of dampness and heat in the liver and gallbladder and the overflow of bile, with symptoms such as yellowing of the body and eyes, distension and fullness of the epigastrium (abdomen), heaviness of the head and limbs, inappetence for food and drink, bitterness in the mouth and dryness of the throat, dysuria, red tongue, yellowish greasy moss, and a slippery pulse. It is contraindicated in pregnant women. Drug use needs to be under the guidance of a physician, the appearance of drowsiness symptoms, it is recommended to go to the hospital in time.