Fire includes a wide range of things, such as liver fire, stomach fire (stomach fire and heat and evil energy), heart fire, etc., which may lead to sleeplessness. It is recommended not to use medicine blindly, but to go to the internal medicine department of traditional Chinese medicine for examination and give medication under the doctor’s guidance. 1. Excessive Liver Fire: Excessive Liver Fire is considered to be related to dietary factors and emotional factors. It may lead to red face and ears, dizziness, bitter mouth, impatience, irritability, dry mouth and throat, dizziness, tinnitus, yellow urine, and may also lead to insomnia. 2. Excessive gastric fire: dietary factors, emotional disorders, external heat, prolonged illness and injury to the yin, etc. may lead to gastric hyperfunction and gastric heat. Patients mainly manifest dry mouth and thirst, short and red urine, vomiting and constipation, pain in the stomach and epigastric region, which may have an impact on sleep. 3. Excessive fire in the heart: Excessive fire in the heart is considered to be related to dietary factors, mental factors, and invasion by external evils. Patients may suffer from insomnia and dreaminess, mouth and tongue sores, constipation and other symptoms.