Female patients with underarm pain during pregnancy, the common causes are mainly the following: First, the patient’s body estrogen, prolactin levels are exuberant, which can cause congestion and hyperplasia of the mammary glands and cause underarm radiating pain. At this time, the patient can through the breast of acupoint massage, hot omelette external compress, moxibustion stick vaporization, maintain a light diet, regular sleep, so as to reduce the symptoms of breast hyperplasia, can effectively alleviate the axillary radiating pain; Second, for the accompanying axillary parapaphyseal female patients, due to the increase in the secretion of estrogen and prolactin during pregnancy, it will cause the development of paraphyseal growth of the axilla caused by the underarm pain. Patients can undergo surgery to completely remove the axillary paratesticular breasts to alleviate the pain in the axilla, and also to avoid the development of cancer in the axillary paratesticular breasts, which can cause serious complications.