Low heart rate may be physiologic, or caused by heart disease, endocrine and other diseases. Heart disease can be caused by oral atropine tablets, etc. Other diseases should be treated first. Normal human heart rate is 60~100 beats per minute, less than 60 beats belongs to low heart rate. Low heart rate in athletes and normal people in resting condition is physiological performance without drug treatment, if dizziness, fainting and other clinical symptoms need to be intervened. Pathologically low heart rate can be treated with oral medication such as atropine tablets if it is caused by cardiac pathology, and implantation of a pacemaker can be considered if medication is ineffective. If the changes are secondary to an endocrine disease such as hypothyroidism, the primary disease needs to be treated. People with hypothyroidism need to take medication such as thyroxine tablets. In summary, it is recommended to consult a doctor for standardized diagnosis and treatment when necessary, and the above medications should be used according to the doctor’s prescription.