Toothache is mostly caused by inflammation of the gums and other types of inflammation of the teeth, if the treatment is not carried out in a timely manner, delaying the condition, it may cause the inflammation of the various bacteria will enter the bloodstream, and through the blood circulation to the heart, which can lead to patients with myocarditis. Symptoms are not obvious in mild cases, but most patients will have symptoms such as chest tightness and palpitations, and in severe cases, heart failure manifestations such as dyspnea and edema may occur; cardiogenic shock manifestations such as lowered blood pressure and cold and clammy limbs may occur. Antibacterial drugs such as penicillin and other anti-bacterial drugs, adenosine triphosphate and other cardiac metabolism-promoting drugs can be applied under doctor’s guidance for treatment. When the patient has a toothache, treatment should be carried out in time to avoid delaying the condition and causing myocarditis. If the diagnosis is myocarditis, it is necessary to standardize the treatment under the guidance of the doctor in order to recover as soon as possible, but also need to comply with the doctor’s instructions for regular review, to avoid the disease is not cured.