Mild tricuspid regurgitation is usually the result of tricuspid valve insufficiency, and mild cases usually require no treatment and regular follow-up. Tricuspid insufficiency is usually caused by an enlarged right heart and a dilated tricuspid annulus, which prevents the valve between the right ventricle and the right atrium from closing properly. When the patient has tricuspid valve insufficiency, blood flows back into the right atrium when the right ventricle contracts, which may indicate mild tricuspid regurgitation on examination. Patients with mild tricuspid regurgitation do not need to be overly concerned, and in most cases it does not affect their quality of life. If the condition worsens during follow-up, it can be treated with surgery such as tricuspid valve repair. In conclusion, mild tricuspid regurgitation can be treated by consulting a physician, evaluating the cause of the disease, and treating the cause of the disease or following up with a physician regularly.