Factors that cause congenital heart disease in children: congenital heart disease is a disease of birth, as the name implies, is congenital. The current incidence rate in China is about 0.8%, and this disease, if left untreated, will have a great impact on the child, with the vast majority of life expectancy not living into adulthood. The pathogenesis of the disease is still being explored. The main known factors are: in early pregnancy, especially in the first three months, the mother’s body is disturbed by external interference, especially viral infection, chemical factors, the influence of radiation, etc., can lead to abnormal development of the embryo, causing congenital heart disease. For example, flu medications, computer radiation, etc. At present, there are 150,000 new cases of heart disease in the country every year, and congenital heart disease is the first death of newborns, which has been reported in the literature to have surpassed asphyxia. How can parents determine if their child may have congenital heart disease? Congenital heart disease has dozens or even hundreds of different types of diseases, and the disease manifests itself differently. If your child cries repeatedly after birth or cannot eat well, you should consider the possibility of congenital heart disease and go to the hospital for relevant examinations to check whether there is difficulty in breathing, whether the lips are purple or cyanotic, and whether murmurs can be heard at the front of the heart’s sternum, etc. These are common manifestations. In addition, most children are prone to colds and pneumonia, so when parents find the above symptoms in their children, they should think about the possibility of congenital heart disease as well.