Obesity is considered to be the result of environmental factors that lead to obesity, and it is also the adaptive response of human beings to intermittent satiety and hunger in the process of evolution. Drugs are used to increase energy consumption and suppress appetite. The function of diet pills can't be simply considered as "losing weight", but the theory of "keeping weight in a state of losing weight for a long time": mainly from the aspects of eliminating dampness, strengthening spleen, reducing fat, expelling toxin and diuresis. Traditional Chinese medicines with weight-reducing effect include lotus leaf, Atractylodes macrocephala, Atractylodes macrocephala, Cortex Phellodendri, Achyranthis Radix, Coicis Semen, Huang Mao, Ramulus Cinnamomi, Fructus Chaenomelis, Poria, Alismatis Rhizoma, Fructus Crataegi, Plantago, Polygonum Cuspidatum, Prunella Spica, Glycyrrhrizae Radix, Fructus Aurantii Immaturus 15g, Magnolia Officinalis 10g, Raphani Semen and Fructus Crataegi 30g.