The causes of sudden stabbing pain in the chest mainly include the following aspects: first, may be other than breast chest pain, mainly including chest skin lesions, such as herpes zoster, local sebaceous cysts suddenly appeared infection and other inflammatory diseases. Secondly, it is mainly caused by breast diseases, which may be caused by breast hyperplasia. Breast hyperplasia is a clinical symptom that can easily appear in women of childbearing age, which is mainly manifested by the swelling and discomfort of the mammary glands, and some of the patients may suddenly experience stabbing pain, which is mainly manifested before the onset of menstruation, and will be alleviated to varying degrees after menstruation. Inflammatory diseases of the breast can also cause tingling, including breastfeeding mastitis and non-lactating mastitis, and breast occupying lesions can also occur if the size of the occupying area increases or the nature of the change, invading the surrounding tissues, which need to be determined by ultrasound in the hospital.