If the patient’s heart rate is fast at night and he has insomnia, he should look for the causes and deal with them according to the causes: 1. Check the electrocardiogram and cardiac ultrasound, if it is caused by insufficient blood supply to the heart, you can take aspirin, atorvastatin, isosorbide mononitrate, beta-blockers and other drugs to improve the blood supply to the heart. If the patient has heart failure, he can take torasemide, spironolactone, digoxin, ACEI drugs, etc. to improve heart function. 2. Check blood count, if the patient’s hemoglobin is reduced and caused by iron deficiency, he can take ferrous succinate to improve the correction of anemia. 3. If the patient has hypoglycemia, it can be corrected by eating sugar cubes, cookies and other sweet food. 5, mental anxiety, in this case, pay attention to exercise, and if necessary, take drugs to improve sleep, such as Sinox, Wenfei, etc.