The invention discloses a traditional Chinese medicine composition for losing weight. The traditional Chinese medicine composition is prepared from, by weight, 10-30 parts of fructus crataegi, 10-20 parts of radix puerariae, 10-15 parts of pinenut kernels,9-17 parts of pericarpium citri reticulatae, 8-14 parts of radix codonopsis, 8-12 parts of semen cassia, 7-12 parts of fructus forsythia, 6-10 parts of folium sennae, 6-9 parts of rhizoma atractylodis macrocephalae, 5-10 parts of herba dendrobii, 5-9 parts of semen plantaginis and 3-6 parts of herba taraxac. The selected materials are natural and environmentally friendly, the traditional Chinese medicine composition can reduce phlegm, eliminate fat, invigorate the spleen and eliminate dampness and regulate functional activities of qi, can effectively clear heat in the human body, reduce lipid deposition reduction in the human body and discharge toxin in the human body and is free of side effect on the human body, suitable for treating female obesity, simple in formula, low in cost and definite in curative effect, a patient is free of side effects of anorexia, diarrhea and the like, nourishing and weight losing are achieved, and immunity of the organism is improved.