Thoracoscopic surgery for atrial septal defects is usually not a serious condition. Atrial septal defect is a congenital heart malformation, mainly refers to the atrial septal hypoplasia, while atrial septal defect is a relatively simple disease, patients with thoracoscopic surgery is low risk and high success rate. After surgery, patients should be instructed by the doctor to do limb exercise as soon as possible, which can prevent lower extremity venous thrombosis. In terms of diet, patients should pay attention to a balanced diet, and can eat more food with high nutrients and easy to digest, such as milk, eggs, vegetables, etc. Patients should avoid smoking, drinking, and spicy, stimulating food. Patients should avoid smoking, drinking, spicy and irritating food. It is recommended that patients go to the hospital for regular checkups after the operation, and at the same time, they should always observe their own conditions, pay attention to the postoperative care, and keep a good and optimistic mindset to face the disease.