Pulmonary blood flow is a symptom of tricuspid atresia, and the length of patient survival is closely related to pulmonary blood flow. Those with near-normal pulmonary blood flow can survive up to 8 years or more; those with a lot of pulmonary blood flow generally survive only 3 months after birth. Tricuspid atresia is a type of cyanotic congenital heart disease, the incidence of which accounts for about 1-5% of congenital heart disease. It is the third most common form of cyanotic congenital heart disease after tetralogy of Fallot and aortic dislocation. The main pathological changes are tricuspid atresia or absence of tricuspid orifice, foramen ovale unclosed or atrial septal defect, mitral valve and left ventricular hypertrophy, and right ventricular dysplasia. Patients with a lot of pulmonary blood flow should eat: 1, carp meat: rich in protein and unsaturated fatty acids, melanin, collagen protein, can improve the body’s immune function, to promote rapid healing after heart valve surgery. 2, snapper: rich in protein, mild taste, suitable for patients with weak constitution. 3, mango: rich in fructose, the heart valves and nerves have a very good nutritional effect. Pulmonary blood flow many patients avoid food: 1, pepper: belongs to the spicy hair food, has a certain paralyzing effect on the nerves, is not conducive to the recovery of intestinal function after surgery for this disease. 2, peppermint herb: belongs to the nature of cold food, is not conducive to the healing of the wound after surgery for this disease. 3.Mustard: It has certain hairy properties, which can induce swelling and dysfunction of the surgical tissue and is not conducive to tissue repair.