The invention discloses a medical health care weight losing bag, and relates to the technical field of medical health care bags. The medical health care weight losing bag is prepared by packing traditional Chinese medicine ingredients into cotton bags; the traditional Chinese medicine ingredients include angelica sinensis, almonds, safflower carthamus, Chinese yam, lotus leaves, black soya beans,semen cassia, rhizoma smilacis glabrae, the root of kudzu vine, clove, moxa, the root of fangji, wolfberry, pericarpium citri reticulatae, hawthorn, polygonum multiflorum, fructus aurantii, licorice,bighead atractylodes rhizome, momordica grosvenori, folium sennae, mangnolia officinalis, rhizoma coptidis, rheum officinale, cassia twigs, red dates, the root of Dahurain angelica, rhizoma atractylodis, radix aucklandiae, radix angelicae pubescentis, Fanchuan, Yuan Ming San, motherwort, semen plantaginis and scaphium scaphigerum. The weight losing bag is used for weight loss by external application, is placed on a navel to facilitate the medicines to take effect through the navel, reduces the fat through the medicine effect, achieves the effect of losing weight, and reduces the harm to the body. The medical health care weight losing bag is safe and effective without side effects, also has a health-care effect and can improve sub-health population with stomach cold, insomnia and irregularmenstruation.