Pinprick pain in the chest can be seen in breast lesions, trauma, intercostal neuralgia, cardiac lesions and so on. 1. Breast lesions: such as breast hyperplasia, mastitis, etc. Breast hyperplasia is a common breast lesion in women, the typical symptom is swelling and tingling, the symptoms are more obvious in the week before menstruation, and there is a certain relationship with emotional changes. Mastitis is usually accompanied by fever, localized skin redness and swelling in addition to the tingling sensation in the chest. 2. Trauma: If the chest is stabbed and the wound causes pinprick pain, if the wound is deep and narrow, it should be sterilized in the hospital and injected with tetanus vaccine. 3. Intercostal neuralgia: the intercostal nerves are distributed between the ribs, if the intercostal neuralgia attack in the chest, it will be manifested as pain in the chest, usually in the form of stabbing pain or burning pain. 4. Heart disease: such as angina pectoris, manifested as stabbing pain in the left side of the chest, need to further conduct electrocardiogram and other related tests to clarify the diagnosis. There are many reasons for chest pain, if the pain can not be relieved, it is recommended to go to the hospital for further examination to clarify the cause of the disease, and take appropriate treatment measures to avoid delaying the condition.