The long strip of hard lumps touched on the breast may be: 1, normal breast tissue, when touching the breast incorrectly, take the method of grasping and pinching the normal breast tissue will be mistaken for a strip of hard lumps, although the hard lumps can be touched, but there is no pain. 2, hyperplasia of the breast tissue, a benign hyperplasia in the breast tissue, does not belong to the inflammation, nor does it belong to the tumor, accompanied by the changes of the menstrual cycle will be The breast tissue will change accordingly with the change of menstrual cycle, and there is a certain degree of pressure and pain when touching. 3, inflammation of mammary glands, if the breast tissue is stimulated by trauma and extrusion, or pathogens invade the infection and cause inflammatory lesions, the lesion area will be congested and edematous, and there will be hard lumps in the form of strips and cords when touching, and the patient feels that his/her breast is swollen and painful, and the temperature of the breast area may be elevated.