Granules around the breasts of pregnancy may be a physiological phenomenon, or it may be due to milk coagulation particles or breast hyperplasia, allergies and so on. 1. Physiological phenomenon: After pregnancy, the secretion of pituitary lactogen, estrogen, progesterone, placental lactogen, insulin and growth hormone will increase, which will lead to the proliferation of follicles and milk ducts, nipple enlargement, and areola darkening, sebaceous hyperplasia of the surrounding skin, and there may also be scattered nodular bumps, known as Montgomery’s nodes, which is a normal physiological phenomenon. 2. Milk coagulation: during pregnancy, there will be a small amount of milk secretion, not discharged, or discharged in time to wipe off, in the areola around the silt, the formation of white particles. The treatment is to gently wipe it away with warm water. 3. Mammary gland hyperplasia: due to the imbalance of estrogen and progesterone during pregnancy, resulting in mammary gland hyperplasia, which will be treated as “particles” when the lumps are small. The lumps will be treated as “particles” when they are small. They usually resolve on their own after pregnancy. 4. Allergy: If the breasts are allergic to underwear or skin care products, pimples will form on the surface of the skin, often accompanied by pain and itching. The treatment should be to avoid contact with allergic substances and take drugs such as cetirizine hydrochloride for anti-allergy treatment. When the above symptoms occur, consult a regular doctor, cooperate with the examination, and regulate the treatment under the doctor’s guidance. The above medications should be used under the supervision of a physician.