Breast pain after doing the examination nothing, may be related to breast hyperplasia, intercostal neuralgia, shingles and other causes. 1. Breast Hyperplasia: Generally speaking, the main manifestation of breast hyperplasia is cyclic swelling and pain in the breast, which will be aggravated before menstruation and will be alleviated or disappear after menstruation. Sometimes there will be tenderness, but ultrasound examination may show no lump. 2. Intercostal neuralgia: If the patient has intercostal neuralgia, which violates the intercostal nerves in the chest, it will cause breast pain. 3. Herpes zoster: Herpes zoster is distributed along the nerves, if there are nerves in the chest implicated in the growth of herpes zoster, which can cause breast pain. Of course, it is also possible that the disease is hidden and not detected in the current examination; when the above situation occurs, you should go to the hospital for other related examinations to further clarify the cause of breast pain and correct treatment.