Chest pain at night is fine during the day, consider that there are physiological causes and pathological causes. 1. Physiological causes: in if the night smoking and drinking more, emotional tension, anxiety, insomnia, tired, etc., may appear this symptom, so should develop good habits. 2. Pathological causes: If the patient himself has coronary heart disease, hyperthyroidism, gastrointestinal ulcers, pneumothorax and other diseases, can cause chest pain, the onset of pain may be in the daytime, or at night, so no matter when the attack should be paid attention to, you need to go to the hospital to do the examination, such as routine blood, troponin, electrocardiography, cardiac ultrasound and other tests, to clarify the causes of the disease in order to target treatment. It is recommended that these patients should seek timely medical treatment, do not blindly use drugs, and usually develop good living habits.