There is no exact time when the weight gain at the beginning of the exercise will be lost, mainly related to the individual’s basic weight, physical condition and diet. If the diet is kept within normal limits, reasonable exercise does not generally cause weight gain. If there is more anaerobic exercise, resulting in increased muscle mass, it may cause a brief increase in body weight. However, as muscle mass increases and basal metabolic rate rises, weight will generally gradually drop after 1-2 weeks. Slimming can choose aerobic exercise, such as pedaling bicycle, running, swimming, etc.. In the process of exercise, mainly through muscle glycogen and fat to break down for energy supply, which helps to improve the rate of fat metabolism. However, if it is muscle type obesity or mixed obesity, may not be obvious in the initial weight loss, but as long as you adhere to the exercise at the same time with some resistance training, fat burning and shaping effect will generally be more significant. In addition, in the process of exercise also need to cooperate with the appropriate diet. You should eat low-fat foods that are rich in vitamins and dietary fiber, as well as foods with a low glycemic index, such as pumpkin, corn, celery, and so on. Avoid high-fat foods, refined carbohydrate intake, etc., such as rice noodles, barbecue, fried chicken, fried meat, etc.