The effect of weight loss can be achieved by taking diet pills, which are divided into four categories, as follows: 1. to increase the basal metabolic rate class, such diet pills will make the body resting technology metabolic rate increased, that is, when not exercising can also naturally evaporate heat, play a role in accelerating body circulation and accelerating the metabolism of substances, which can consume more calories in the body, such drugs will make the heart rate increase and insomnia and a series of side effects. The first of these is the use of a new drug, which can increase the number of bowel movements, drainage, urination and defecation, to increase the rate of excretion to achieve the effect of weight loss. 3, blocking fat absorption drugs, which can act directly on the wall of the small intestine villi, increasing the amount of fat excretion, blocking fat absorption. 4, hypoglycemic drugs, hypoglycemic drugs act directly on the liver and the upper edge of the small intestine The glucose absorption and utilization, so as to reduce to the effect of low-fat and low-sugar diet, can also play a role in weight loss.