The heart rate is 52 beats/min when lying in bed and normal when walking out of bed. You can observe first, and after obvious discomfort symptoms appear, you can follow the doctor’s advice to choose atropine and other medication, and implant a permanent pacemaker if necessary. Normally, the heart rate of a normal adult is 60-100 beats/minute, with an average of 75 beats/minute. Heart rate fluctuates with age, gender, and physical activity, and may increase to >100 beats/min after emotional stress, anxiety, alcohol consumption, and physical activity. For the elderly, athletes, and sleep state, will lead to heart rate slowing situation, mainly due to the vagal nerve tension increases, so lying down when the heart rate of 52 beats / min, walking when the heart rate back to normal, is a normal physiological changes. Usually no special treatment is needed and observation is recommended. If the symptoms of insufficient cardiac output occur, atropine, ephedrine and other medications can be chosen as prescribed by the doctor, and when medication is ineffective or negative chronotropic drugs need to be applied, implantation of a permanent pacemaker is also required. If the above symptoms occur, it is recommended to go to the hospital in time for regular treatment.