They are old, and you may not be with them because of work, so you should spend more time with them at ordinary times, or you can take them on a small trip to help them change their mood. Buy a foot bath for your parents. Soaking your feet every day is definitely good for your health. You can also buy a small pedometer and sports shoes to encourage them to go out more. If you like cats and dogs, you can keep one or two companions, and it will be more energetic to have special animals around. Next, we must pay attention to their diet at home. Many old people only eat a lot when their children are around. They usually eat casually. Try to make them pay attention to their diet, which should be light and nutritious. Then, take them to the hospital for physical examination regularly. Some minor illnesses are better found early.