Thin-chested exercise: in winter, you can run in the house by yourself, lift your legs, squat and jump in place; Hula hoop, sit-ups, push-ups, chest enlargement, boxing; If the weather is fine, you can go out for a walk, jump rope, jog, play ball, ride a bike and swim.

Diet: eat well at breakfast, eat well at lunch and eat less at dinner; ? Use coarse grains instead of staple foods, such as brown rice and whole wheat products; Taste as light as possible, with little seasoning such as salt, soy sauce or ketchup.

Massage the chest: Can I pat some by hand after the exercise every night? Southman reached his chest, then massaged carefully, and his fingers massaged rhythmically in a certain direction. This can accelerate blood circulation, promote the burning of fat, and make the chest skin firmer.