Dietary principles noted by HIV-infected people and their patients. I. High-energy, high-protein diet. HIV-infected patients and their patients have a reduced appetite and lowered absorption function, resulting in insufficient energy intake, while the increased metabolic rate of the body makes energy imbalance. Second, eat more fresh vegetables and fruits. It is better for HIV-infected patients and patients to eat more fresh vegetables and fruits on a daily basis to increase the resistance to the disease. Eat more fresh vegetables and fruits rich in vitamin A, carotene and vitamin C. Third, small and frequent meals and regular meals. Eating too much at one time will easily cause indigestion and damage the spleen and stomach, which is not good for the patient. Four, food diversity. Try to eat several kinds of food at each meal, and learn to plan a diet that includes five types of food. Five, avoid acid, spicy and other stimulating foods, pay attention to dietary hygiene. Six, do not smoke, do not drink alcohol, engage in moderate physical exercise, and protect good emotions.