You'd better go for a walk at this age. You can get up at 6 o'clock every morning and walk for an hour. You can also listen to the radio while walking. This is the best way for the elderly to keep fit, because walking will not sweat, but will only give off heat. Will not cause physical and mental fatigue. This period of time is the most prosperous time of the day, which is very helpful for the health care of renal function, and the kidney absorbs yang. Produce essence blood and nourish the five internal organs. This is the best way to recharge your batteries. At the same time, pay attention to the schedule, be sure to fall asleep before 9 o'clock every night, and it is best to soak your feet with warm water of about 50 degrees 15 minutes before going to bed. If it is convenient, it is best to rub the soles of your feet for two minutes until the soles of your feet are hot, and then rub your left and right palms. Then go to sleep. Turn off all electronic messages such as mobile phone, TV and radio before going to bed, and don't chat with your wife at the same time.