Rheumatic heart disease is the most common type of heart disease. The cause of rheumatic heart disease comes as a consequence of rheumatic lesions that invade the heart. More women than men suffer from rheumatic heart disease. The rheumatic heart disease patients are prone to heart failure symptoms, so to prevent this disease should do a good job of daily care, such as ensuring sufficient rest, preventing respiratory infections, appropriate exercise to improve their resistance to germs. First, ensure sufficient rest. This includes both physical strength and energy. Patients can do some light work when the symptoms are not obvious, but do not participate in heavy physical labor, so as not to increase the burden on the heart. Patients with cardiac insufficiency or rheumatic activity should be absolutely bed rest, all life should be assisted by family members. The patient’s attitude should be kind and avoid adverse stimulation. Prevent respiratory tract infection. The room should have sufficient sunlight, fresh air and suitable temperature to prevent rheumatic activities caused by respiratory infections and aggravation of the disease. Third, control the intake of sodium and salt. People with cardiac insufficiency should control the intake of water and limit the sodium salt in the diet to 10 grams (2 money) or less per day, and avoid salt cured products. Fourth, eat more fruits to facilitate diuresis. Those who take diuretics should eat some fruits such as bananas and oranges. Fifth, should not be strenuous exercise. Patients with atrial fibrillation should not do strenuous activities. Regular outpatient follow-up should be conducted; surgical treatment should be considered at an appropriate time, and when to proceed should be determined by the doctor according to the specific circumstances. Sixth, prevention of germ infection. If tooth extraction or other minor surgery is required, antibiotics should be used to prevent infection before surgery. Increase your resistance. This disease is a consequence of rheumatism, and active prevention of alpha-hemolytic streptococcal infection is the key to prevent this disease. Strengthening physical exercise to enhance the body’s ability to resist disease also has an important preventive role. Active and effective treatment of streptococcal infections, such as eradication of chronic lesions like tonsillitis, dental caries and paranasal sinusitis, can prevent and reduce the occurrence of this disease.