Radioactive stabbing pain in the chest may be caused by intercostal neuralgia, pleurisy, breast hyperplasia, cardiac diseases and so on. 1. Intercostal neuralgia: If there are thoracic spine lesions, trauma and other reasons, causing the patient’s nerves to be compressed or stimulated, the chest appears to be band-like pain, the pain radiates from the back to the front, along the corresponding intercostal space. 2. Pleurisy: when affected by pathogen infection, injury and other factors, resulting in capillary exudation of protein in the tissue, the formation of fibrous adhesions between the two layers of pleura, manifested as chest pain, chest tightness, pain is pulling pain or stabbing pain. 3. Breast hyperplasia: when the ratio of estrogen and progesterone in the patient’s body is out of proportion, which affects the growth and development of the breasts, etc., it manifests as breast swelling and pain, which is mostly related to menstrual cycle. 4. Heart disease: such as coronary heart disease, coronary artery stenosis or occlusion, mostly manifested as chest pain, chest tightness, chest pressure, shortness of breath can occur when breathing hard. Radioactive stabbing pain in the chest can also be seen in other diseases, it is recommended that patients go to the regular hospital in a timely manner, so as not to delay the condition.