Panic, also known as palpitations, is a subjective feeling, the patient consciously heart beating discomfort, pregnant women panic may be normal physiological changes, mental and psychological factors, pregnancy and heart disease and other reasons. 1. Normal physiological changes: heart volume to late pregnancy compared to the pre-pregnancy increase of about 10%, the heart rate in late pregnancy at rest increased 10-15 times per minute, generally tolerable, the more sensitive patients may appear to feel panic. 2. Mental and psychological factors: patients with bad mood, anger, emotional excitement can cause panic. 3. Pregnancy and heart disease: pregnancy and heart disease interact with each other, congenital heart disease, rheumatic heart disease and other underlying diseases may be aggravated in pregnancy, there may also be perinatal cardiomyopathy and other heart disease specific to pregnancy, the patient will experience panic, dyspnea, hemoptysis, telangiectasia and other symptoms, should be timely medical attention. Pregnant women with panic attacks should seek prompt medical attention and should be treated under the guidance of a physician’s interview.