A brisk walk can enhance physical fitness, and it is best to keep walking for 30 minutes every day. People who are not used to exercise at ordinary times and seldom exercise should avoid excessive exercise at first, and the exercise time should not exceed 2 hours.

Step 2 swim

When swimming, due to the stimulation of warm water on the skin, the blood vessels of the skin contract sharply. After the strong contraction of blood vessels, it is followed by corresponding relaxation, so that blood vessels can be exercised one by one, thus regulating human immunity and improving resistance. Swimming in winter can improve the body's adaptability to cold, stimulate and promote blood circulation and metabolism, and enhance the body's adaptability to external cold and hot temperature changes.

Step 3 jog

Friends who run regularly will improve their cardiopulmonary function, accelerate their blood circulation, transport nutrients faster, have better metabolism, gradually enhance their physique, update their immune cells faster, slow down their aging, make their cells more energetic, have stronger immunity, have a particularly strong immune system function, and improve their resistance and immunity.

4.tai chi

You can do some gentle sports, such as walking, playing Tai Ji Chuan and doing exercises in parks, gardens, lakes, rivers, hillsides and other places with fresh air, and persevere. It is not suitable for heavy-load exercise and sweating exercise, and it is forbidden to use too much force and hold your breath for a long time, so as not to waste energy.

Step 5 start activities

Inviting someone to play ball is a good exercise method. You can choose table tennis or badminton, both of which are good ways to strengthen your physique. But choose an opponent that suits your own strength. If the opponent's skill is too good, it may hurt his self-confidence.

Reference People's Network-Exercise to Enhance Immunity? You can also exercise regularly at home.