The nodules formed by mammary gland hyperplasia cannot be treated with hot compresses. The nodules formed by mammary gland hyperplasia are mainly caused by the imbalance of estrogen, progesterone and lactogen in the body. For nodules formed by breast enlargement, generally need to perform ultrasound examination, and according to whether the nodule boundary is clear, whether the blood supply is good, whether the longitudinal to transverse diameter ratio exceeds 1, and whether accompanied by calcification for comprehensive grading, grading below 4, considered the majority of benign, no need for surgery, the main conservative treatment, that is, relaxation, liver and Qi, as well as avoid eating too greasy, spicy, stimulating food. If it is particularly serious, you can consider taking oral Chinese medicine, such as Zhuangyao Wan or Mastication. If the grade is above 4, it is necessary to be alert to the possibility of malignant change, and further pathological examination is needed to exclude the possibility of malignant change. For hot compresses, they cannot regulate the estrogen, progesterone and lactogen balance of the body, so they cannot achieve the therapeutic effect on the nodules formed by breast enlargement.