First of all, few people can persist in strenuous exercise for more than an hour. If you need to lose weight, you must ensure the time.
Secondly, the best exercise to lose weight is aerobic exercise, and sweating is the standard. When sweating to a certain extent, the body fat will be naturally brought out. Of course, you should replenish water after exercise to avoid dehydration.
Summer water is very important, dehydration is very harmful to the body.