Only with cardiac neurosis palpitations in the middle of the night generally will not appear sudden death, if the combination of other organic diseases may occur sudden death. Neurosis is a functional disease, generally does not appear sudden death, the disease mainly occurs in 20 ~ 40 years of age of women, mainly due to neurological disorders caused by common symptoms include chest tightness, palpitations and dyspnea. Patients have more clinical symptoms but fewer positive signs on physical examination, which are basically negative. Neurosis simply affects the patient’s quality of life and generally does not have a serious impact on the patient’s life. Sudden death is usually due to a combination of other serious organic diseases, such as coronary heart disease. If there is obvious discomfort, it is recommended to seek immediate medical attention to avoid delaying the condition.