The applicable patients of wet heat compress include: 1. patients with mastopathy: including patients with breast pain, mastopathic nodules, which have a certain alleviating or dissipating effect; 2. patients with inflammatory mastopathy: patients in the acute stage of inflammation are not suitable for hot compress, mainly for patients with mastopathy in the rigid, non-acute, non-red and swollen stage. The external application of Chinese medicine for the treatment of breast pain has the advantages of quick effect and small side effects. When applying wet and hot compresses to the organism, the temperature should be paid attention to in time to prevent too high resulting in burns on the affected area, and close attention should be paid to the operating site and the patient’s reaction, which should be stopped immediately in case of redness and blistering.