The prevention of rheumatic heart valve disease should focus on preventing the occurrence of rheumatic fever and fundamentally preventing the development of rheumatic heart disease. Once the heart valve has formed damage, we should actively prevent various rheumatic activities to control the disease, improve cardiac function and avoid aggravation of the disease. 1, prevention and control of streptococcal infections. We should give active treatment to various acute streptococcal infections, such as otitis media, pharyngitis, acute tonsillitis, lymphadenitis, scarlet fever, etc., to avoid the occurrence of rheumatic fever. Pay attention to keep your residence clean and dry, ventilate frequently and ensure indoor air circulation. 2, the combination of work and rest. Experts say that proper activity and exercise can enhance the function of the heart muscle and increase the compensatory capacity of the heart. For patients without respiratory distress symptoms, you can continue to work and live normally, but to avoid heavy physical labor and strenuous exercise. And moderate rest can reduce the burden on the heart, rheumatic heart valve disease patients in the attack of the disease according to the doctor’s orders and their own symptoms, to limit a certain amount of physical activity, serious cases should be absolutely bedridden until the heart function improved. 3, peace of mind. The heart is an important organ of the human body, many people will be nervous and emotional when they learn that their heart has problems, it is easy to occur tachycardia, which increases the burden on the heart and leads to cardiac insufficiency, so it is important for patients to maintain a calm state of mind. 4, reasonable diet. Rheumatic heart valve disease prone to edema, so, to strictly limit the intake of sodium, the patient’s daily salt control in 1 to 5 grams is appropriate, but also eat less sodium-rich fruits, such as bananas; as high-fat food intake, not easily digested, will increase the burden on the heart, serious arrhythmia, so try to avoid high-fat food; avoid stimulating foods and excitatory drugs, chili , pepper, ginger, drinking large amounts of strong tea, tobacco, alcohol, taking amphetamines, caffeine, etc., these foods and drugs can be a burden on the heart, especially in patients with rheumatic heart valve disease when the heart function is poor, should be strictly prohibited.