The invention relates to a sticking plaster used for treating lumps in breast, and is prepared by the following raw materials: radix bupleuri, nutgra galingale rhizome, bitter orange, szechwan chinaberry fruit, cistanche salsa, barrenwort, common burreed rhizome, rhizoma zedoariae, pangolin, szechuan lovage rhizome, radix curcumae, frankincense, myrrh, rhizoma corydalis, nux vomica, dragon's blood, cowherb seed, safflower, peach seed, euphorbia kansui, snakegourd fruit, gleditsia sinensis sting, airpotato yam, seaweed, raw rhizoma arisaematis, raw tuber pinellia, white mustard seed, oyster, portulaca grandiflora hook, iphigenia indica, paridin, oldenlandia diffusa, dandelion, red paeonia, Chinese goldthread, yellowcypress, rhubarb, raw szechuan aconite, raw wild aconite, datura flower, cinnamon, white pepper, asarum, angelica dahurica, scorpion and centipede. With reasonable compatibility, the invention has the functions of soothing liver, regulating qi, activating blood circulation, removing stasis, softening hard lumps, dispelling nodes, clearing away heat and toxic material, releasing swelling and stopping pain. The invention has wide medicinal odour, large dosage, strong efficacy and definite curative effect. Patients have no pain for application, and the cost is low; the effective rate of treatment is 98.62 percent, and the cure rate can reach 96.77 percent; the application of the sticking plaster can effectively prevent the occurrence of breast carcinoma.