Occasional bouts of tingling in the breasts may be caused by pre-menstrual period, normal development, breast enlargement, mastitis and other reasons. 1. Before menstruation: before menstruation, ovarian estrogen secretion grows, and estrogen can stimulate the enlargement and hyperplasia of the mammary glands, thus making the whole mammary glands increase in size, and the nerves are stimulated because of the increase in size, so the pain will be felt. 2. Normal development: in puberty, women will experience occasional tingling in the breasts, which is a normal phenomenon, related to the patient’s age, no need to be too nervous, no need for special treatment. 3. Breast enlargement: Breast enlargement is caused by endocrine imbalance in the body, you can use local hot compresses, and pay attention to not eating spicy food in your diet. 4. Mastitis: localized inflammation of the breast, clinical symptoms are mostly manifested as fever, swelling, bloating, hard lumps and pain, serious cases need to be cut and drained abscess, control the infection site, the pain will disappear. It is recommended to go to the hospital for examination, and the doctor will give judgment according to the clinical symptoms.