Difficulty in falling asleep due to excessive heart fire belongs to the category of “insomnia” in Chinese medicine. Excessive heart fire can be treated by taking Gentian Liver Tang, Huanglian Wengdian Tang, Liuweidihuang Pill and Jiaotai Pill under the guidance of a doctor. Common clinical patterns of insomnia involving excessive fire in the heart include liver fire disturbing the heart, phlegm-heat disturbing the heart, and heart-kidney disharmony (heart fire and kidney yin deficiency, dysfunction of the physiological functions of the heart and kidneys), etc. The treatment should be based on the specific conditions of the disease. 1. Liver fire disturbing the heart syndrome, symptoms: sleeplessness and dreams, irritability, or even sleepless nights, dry mouth and bitter, dizziness and head swelling, not thinking about food, red eyes and tinnitus. The treatment is to calm the heart and tranquilize the mind, dredge the liver and diarrhea the fire. The representative formula is gentian diarrhea liver soup plus subtractions. 2. Phlegm-heat disturbing the heart syndrome, symptoms: upset and insomnia, belching (hiccups), nausea, chest tightness, bitter taste in the mouth, dizziness, heaviness in the head, etc. The treatment is to harmonize the middle and calm the spirit, and to clear the head. The treatment is to harmonize the middle and tranquilize the mind, and clear away phlegm-heat. The representative formula is Huang Lian Wen Bile Tang plus subtractions. 3. Heart and Kidney Dissonance syndrome, symptoms: difficulty in falling asleep, dizziness, tinnitus, hot flashes and night sweating (abnormal sweating after falling asleep, sweating stops after waking up), palpitation and dreaming, lumbar and knee pain and weakness, and heartburn and heat (heat in the hearts of the hands and feet, and self-awareness of heart and chest irritation), etc. The treatment of this syndrome is to harmonize the middle and tranquilize the mind, and to clear phlegm-heat. The treatment of this syndrome is to communicate with the heart and kidneys (the fire of the heart descends and the water of the kidneys rises, which are in mutual control), and to nourish yin and lower the fire as the method. The representative formula is Jiaotai Pill combined with Liuwei Di Huang Wan plus subtractions. Specific diagnosis and treatment should be carried out under the guidance of a Chinese medicine practitioner, and should not be used blindly on one’s own.