The psychological characteristics of children with congenital heart disease are manifested in the following aspects, namely, children with congenital heart disease are more introverted than normal children, emotionally unstable and have lower social adaptation ability, and children with cyanotic type have lower life adaptation ability than non-cyanotic type. Psychologists believe that from birth to 5 or 6 years old is the most important stage of personality formation throughout life. Parents’ overprotective and coddling behaviors have a significant impact on the formation and development of the child’s personality. Overprotection and protection tend to lower and frustrate the child’s self-esteem, thus increasing fear. Coddled children become overly dependent on their parents due to their childishness, have low social adaptability, and may even develop regressive behaviors. Therefore, psychological rehabilitation should be emphasized along with the physical rehabilitation after surgical correction. The psychological characteristics of children with precocious heart disease are manifested in the following aspects: 1. A large proportion of children with precocious heart disease are more introverted than normal children, emotionally unstable, with low social adaptation ability, and the life adaptation ability of cyanotic children is lower than that of non-cyanotic children. Psychologists believe that from birth to 5 or 6 years old is the most important stage in the formation of personality throughout life. During this stage, most children live in families and grow up under the loving care of their parents, and their parents’ educational attitudes and social requirements make a deep mark on children’s hearts through their families. Families of children with precocious heart disease differ greatly from those of normal children, and parents of children with precocious heart disease are often overprotective and coddling of their children because of the disease, which has a significant impact on the formation and development of the child’s personality. This has a significant impact on the formation and development of the child’s personality. Overprotection and coddling tend to lower and lower the child’s self-esteem, thus increasing the child’s fear. 2. Because of the overprotection of parents, children with predilection tend to be overly dependent on their parents, resulting in low social adaptation and even degenerative behavior. Therefore, while the organism recovers after surgical correction, psychological rehabilitation should also be emphasized. After the operation, when the child’s condition is stable and the cardiac function is satisfactory, the child’s activity and range of activity should be gradually increased, so that the child can have more contact with children of the same age and establish normal interpersonal relationship through playing to eliminate the loneliness psychology. How to correct the psychological problems of children with congenital heart disease Parents should pay enough attention to their children with congenital heart disease psychologically in addition to taking good care of their children in terms of diet and activities before surgery. Neither should the child be overly pampered because of the heart disease, which will develop the child’s capricious and self-centered personality, nor should the child’s requirements be lowered because of the heart disease, which will make the child have low self-esteem and timidity. Through psychological support and guidance, we encourage the child to correctly understand the disease, actively cooperate with the treatment and eliminate psychological barriers. After the surgical correction, more attention should be paid to the psychological rehabilitation. In the state of stable condition and satisfactory cardiac function, the child’s activity and range of activities should be gradually increased, so that the child can have more contact with children of the same age, establish normal interpersonal relationships through play, eliminate the psychology of loneliness, parents should use more encouragement in education, let the child do more things within their ability, improve the ability to live independently and social adaptability, change the coddling behavior, so that the child in a cheerful, happy Parents of children with congenital heart disease should seize the opportunity of the child’s plasticity after surgery to cultivate a good quality character with good environmental factors and correct educational methods.