You need to determine the nature of the lumps on the side of the breast, and then choose the appropriate treatment, as follows: 1, sebaceous adenoma is a benign tumor, manifested as nodules, do not need to deal with, if you feel the impact on the life of the aesthetic, you can carry out surgical treatment. 2, breast allergy, if the breast contact with the allergic substances will lead to the surface of the breast pimples, rashes accompanied by pain, itching, need to stay away from the source of allergy, and to carry out 3, skin inflammation, if the skin is not clean enough, the skin is affected by the fungus will appear inflammation, manifested as a rash, red spots with itching, need to add appropriate vitamins, drink more water, eat less spicy, stimulating food. 4, breast hyperplasia, the patient will have a hard lump in the breast, before the end of menstruation will be swollen, painful, pain is not obvious can not be treated, the obvious can be taken to take free pills.