The ingredients of western medicine to lose weight are different. Commonly used weight-loss drugs are: (1) food inhibitors: ① amphetamine: stimulant, which can reduce sleep and appetite. Long-term use is easy to addiction, and can cause mental stress, insomnia, high blood pressure and other adverse symptoms.

② biguanide hypoglycemic agents: can inhibit appetite, but easily cause nausea and vomiting.

③ Diethylamine Phenylacetone: Reduce appetite and achieve the effect of losing weight with less side effects.

(2) Energy dissipator: ① Thyroid hormone: It has great side effects, aggravates the heart load, and has the risk of inducing hyperthyroidism.

(2) Nitrophenol: The side effect is great, which can lead to shortness of breath and lethargy, and damage the liver, kidney and heart.

③ Growth hormone: easy to produce antibodies.

④ Lipolysis: easy to produce edema and allergy.

(3) Absorbents to prevent digestion: ① Neomycin and cholestyramine: can prevent fat absorption.

② Amylase inhibitor: It can reduce enzyme activity and reduce fat synthesis.

(3) Inflatable filler: fake diet, which leaves no calories and indigestible things in the stomach, making people feel no hunger, but it is easy to cause diarrhea.

④ Drugs that affect lipid metabolism: hinder lipid metabolism and reduce adipose tissue accumulation.

⑤ Drugs for inhibiting insulin secretion: Inhibit the excessive secretion of insulin and reduce the synthesis of sugar and fat.

⑥ Laxative diuretic: increase excretion, reduce the absorption of fat in the intestine, and discharge water, but this practice will cause the body to lose a lot of minerals and vitamins, which has side effects and is not conducive to health.

⑦ Naloxone: It can reduce people's appetite and is a psychotropic drug, which is very harmful to the liver.