Congenital heart disease is a congenital malformation of the heart and blood vessels of the child at birth, which not only affects the child’s physical health, but also has a significant impact on the psyche. Children with congenital heart disease are prone to psychological problems Pre-operative: Children with congenital heart disease, especially cyanotic congenital heart disease, cannot live like normal children due to the increasing severity of the disease as they grow older, and this special environment affects the psychological problems of the children. Most parents are overprotective and spoiled for their children with congenital heart disease, which tends to lower and frustrate the child’s self-confidence, thus increasing the fear. Children who are spoiled become overly dependent on their parents and have low social adjustment ability. A portion of school-age children with predilection cannot attend classes normally because of health problems. Frequent absences or suspensions from school make children with predilection usually have to ask a tutor at home to tutor their studies alone, which makes children feel isolated. Post-operative: Children with PHD have more hospitalizations and specific disease experiences than healthy children, and even when surgically corrected, they may have more emotional and behavioral problems than normal children. These emotional and behavioral problems often manifest themselves in preschool, mainly in the form of introversion, emotional instability, and low social adjustment ability compared to normal children. In addition, short stature, surgical scars, cyanosis and low energy also make the affected children feel different and abnormal from other children, and difficulties occur in interacting with peers. Correcting 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 giving careful care in diet and activities before surgery. Neither should the child be overly pampered because of heart disease, which will develop the child’s capricious and self-centered personality, nor should the child’s requirements be lowered because of 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 the child’s good quality character with good environmental factors and correct educational methods.