Male chest large want to reduce down, mainly to see what the reason for the increase is, generally there are the following cases: First, some men often go to the gym to exercise the pectoralis major muscle, which leads to chest enlargement is obvious, for this case, it should be to reduce the exercise intensity or exercise times. Second, some male obese patients chest fat accumulation, will also look larger, for this case, the best way is to lose weight through exercise, fat reduction after the chest will also look small. Third, male breast development, for male breast development, to reduce the chest should first identify what is the cause of male breast development, for the cause of treatment, so that the chest can be effectively reduced.