Congenital heart disease, which includes atrial and ventricular septal defects, patent ductus arteriosus and cardiovascular malformations, is a cardiovascular disease that poses a serious threat to the health and growth of children. If parents detect it early and treat it timely, they can effectively improve the cure rate of congenital heart disease and reduce the mortality rate. Now how to early detection of baby precocious heart disease for an introduction. One, the affected child often poor spirit infants cry less, cry low, seem to be very good. After a little older also often have all kinds of tired look, and can use language to express poor spirit. Second, not good at laughing precordial disease baby is not easy to tease or repeatedly teasing before a faint smile, laughter is low, intermittent, laughing a little longer will be breathing faster, lips blue. Third, the development of retarded children with precordial disease is often delayed, manifested as late closure of the chimney, late eruption of teeth, late speech, late walking, slow reaction and often malnutrition. Children with precocious heart disease often do not like to move, whether at home or at school, often love to sit alone, standing still, and lack of children’s innate instinct to move, rarely participate in various sports competitions or play activities. Must participate in sports or labor, he (she) also shows a kind of power is not able to, a state of helplessness. Fifth, the lips and mouth bruise children with precordial disease as long as the activity (serious cases at rest) will also occur the lips and mouth bruise, this bruise phenomenon is proportional to the strength of the heart function and exercise intensity. Poor heart function, the greater the intensity of labor, the more serious the cyanosis, and even the face, nose, ears, ten fingers can occur cyanosis. Poor digestive function often manifests as poor appetite, low food intake, lack of gobbling state for any food, eating slowly and chewing, swallowing, even so, nausea, vomiting, diarrhea, indigestion often occur. VII. Immunocompromised children often seek medical attention for coughing, coughing up sputum, coughing up blood, fever, and difficulty in breathing due to low immunity and increased pulmonary blood volume, which can easily be complicated by acute bronchopneumonia and heart failure. VIII. Heart auscultation with murmur. When you lateral ears in the anterior region of the child’s heart auscultation, you will find that the child’s heart rhythm is not uniform, the first heart sound or the second heart sound after the appearance of additional like “dong hooting” or “hooting” sound, and the heart sound is not clear, this sound doctor called the heart murmur, murmur extensive, the sound is bright, often suggests Severe precordial disease