Chest swelling and pain may be related to PMS, breast enlargement, mastitis, pregnancy, wearing inappropriate underwear, etc. If necessary, you can go to the hospital to do breast ultrasound examination, according to the results of targeted treatment. If it is PMS, it is mainly related to elevated hormone levels in the body and can be treated without treatment, and the symptoms will be relieved or disappear gradually after the onset of menstruation. If it is a physiological hyperplasia caused by breast enlargement, no treatment is needed. If it is a pathological hyperplasia, you can use Chinese medicines to invigorate blood stasis and soften and disperse the knots, for example, Prosperity Pill or Mastication Capsules. The actual fact is that you will need to have a good habit of life, be regular and regulate the endocrine, eat more fresh fruits and vegetables, and pay attention to the combination of work and rest.