The diet of patients with pulmonary hypertension should be light and nutritious, low-salt, low-cholesterol diet, and avoid spicy and stimulating food. 1. The diet of patients with pulmonary hypertension should be light, more vitamin-rich foods, such as a variety of fresh vegetables and fruits, more nutritious foods, such as milk, egg white, fish and beef. 2. Patients with pulmonary arterial hypertension need to control the intake of salt, cholesterol and lipids in their diet, and reduce the intake of animal offal, egg white, bacon and crab meat. 3. Patients with pulmonary hypertension need to avoid spicy and stimulating foods, such as chili peppers, garlic, mustard and so on. Pulmonary arterial hypertension is a pathophysiological state caused by various reasons of abnormal elevation of the pulmonary artery, typical clinical symptoms manifested as shortness of breath after activity, can be accompanied by chest pain, chest tightness, palpitations and dizziness. Patients with pulmonary hypertension need to follow the doctor’s instructions to carry out standardized supportive treatment, in the treatment at the same time, scientific and reasonable diet can help to assist in controlling the condition, maintain the effect of treatment and promote the recovery of the disease.