Chest pain in the form of paroxysmal pain, like needle stabbing, is seen in the following cases: first, infection of the chest cavity, infection of the lung tissue complicated by pleurisy, especially in the dry pleurisy period when the patient has significant pain because the wall pleura is the area of somatic nerve innervation and pain localization is accurate and sensitive. Patients may experience pin-prick or knife-cutting pain, which is accompanied by restricted breathing and coughing, coughing up sputum and coughing up blood, requiring timely anti-infection treatment. Secondly, for patients with breast hyperplasia, they may experience pins-and-needles pain in the chest and breasts, and the pain may be triggered by certain factors, most commonly by anger, mood swings, and mental stress. The other is that in the premenstrual period, the breast will also have obvious swelling and pain, consider an endocrine disorder, can be regularly reviewed.