The causes of sudden chest tingling mainly include the following aspects: first, it may be chest tingling other than breast, mainly including chest skin lesions, such as herpes zoster, local sebaceous cysts suddenly appearing infection and other inflammatory diseases. Secondly, it is mainly caused by breast diseases, which may be caused by mammary gland hyperplasia. Mammary gland hyperplasia is a clinical symptom that can easily appear in women of childbearing age, mainly manifesting as swelling and painful discomfort in the breast, and some patients may suddenly experience stabbing pain, mainly before the onset of menstruation, which will be relieved to varying degrees after menstruation. Inflammatory diseases of the breast can also cause stabbing pain, including mastitis during lactation and mastitis during non-lactation, and occupational lesions of the breast that increase in size or change in nature and invade surrounding tissues may also occur.