Staying up late for a long time will hurt liver yin, resulting in deficiency of yin in the body and symptoms of liver yin deficiency. People who stay up late for a long time are suitable for taking Chinese patent medicines such as Dajian yin pill, Zhibai dihuang pill, and Gui Shao dihuang pill. 1. Dazhongyin Pill, the name of the Chinese patent medicine. It is composed of ripened dihuang, salted motherwort, salted cypress, vinegar tortoise shell and pig spinal cord. It has the effect of nourishing yin and lowering fire (nourishing yin essence and lowering fire). It is used for the treatment of yin deficiency and fire exuberance (deficiency of yin essence in the body, resulting in hyperactive fire), hot flashes (a burst of fever), night sweating (abnormal sweating after going to sleep, but sweating stops after waking up), coughing, tinnitus, and spermatorrhea. 2. Zhi Bai Di Huang Wan (知柏地黄丸), a Chinese patent medicine. It has the effect of nourishing yin and lowering fire. It is used in treating yin deficiency and fire exuberance, hot flashes and night sweating, dry mouth and sore throat, tinnitus and spermatorrhea, and short and reddish urine (small amount of urine with dark yellow color). 3. Radix Rehmanniae Praeparata and Radix et Rhizoma Dioscoreae Pills, a proprietary Chinese medicine. It is composed of Angelica sinensis, liquor white peony, ripened diabetes, liquor cornelian cherry, moutan skin, Chinese yam, poria, zedoary. It has the effect of nourishing the liver and kidney, tonifying yin and blood, and clearing deficiency heat. It is used for deficiency of liver and kidney, deficiency of yin and blood, dizziness, tinnitus, dry throat, afternoon hot flashes, soreness and pain in waist and legs, and heel pain. The above medication is for reference only, if there is any discomfort, it is recommended that the medication should be used under the guidance of a doctor. In addition, pregnant women and the elderly and frail people should be cautious of the use of medication, if discomfort occurs after taking medication, should go to the hospital in a timely manner to dispose of.