Patients with pulmonary heart disease usually have gastrointestinal symptoms, such as nausea, vomiting, etc. Clinically, it is recommended to eat more easily digestible food, such as noodles, noodles or noodle soup. If the patient has malnutrition, such as hypoproteinemia, it is recommended to eat protein-rich food, such as protein powder, chicken, beef, lamb, etc. If the patient is prone to hypokalemia when there is a lot of sweating and excessive urination due to fever, it is recommended to eat more potassium-rich foods or fruits, such as bananas, tangerines, oranges, and so on. Patients with pulmonary heart disease usually have symptoms of coughing, coughing up phlegm and shortness of breath, and clinically it is recommended to eat some fruits that moisturize the lungs and stop coughing, such as apples, pears, tangerines, oranges and so on.