According to the analysis provided, the brown spots around the breasts are considered to be skin pigmentation. With age, endocrine disorders, the skin of the whole body may grow brown spots. If there is no other uncomfortable situation, there is nothing to worry about. But if it is accompanied by breast swelling and pain, nipple itching, nipple overflow, etc., you need to check whether there is a breast disease, it is recommended to go to the hospital breast specialist examination, you can do breast ultrasound, mammography or magnetic resonance examination.