Small particles in the breasts after giving birth are mainly caused by postpartum breast milk stagnation, breast inflammation, breast fibroid and other reasons. Postpartum milk stagnation is caused by the milk is not discharged in time, will be blocked to the mammary ducts, the touch will have a granular feeling or hard lumps, usually after the milk emptying can be relieved. Mammary gland inflammation is mainly due to milk stagnation for a long time caused by inflammation and infection of the mammary ducts, and it is also felt as a granular sensation accompanied by pain. In this case, you need to regularly discharge the milk, and use anti-inflammatory drugs, such as amoxicillin. Breast fibroids are benign tumors that grow in the mammary glands, are palpable on the surface, and are hard and few in number. If it is determined to be a breast fibroid, it is usually treated with surgery. If you have small particles in your breasts that don’t go away in time after breast milk is discharged, you need to go to the doctor in time to have a relevant examination, such as breast ultrasound to determine the cause of the disease and then treat it, so as to avoid delays in the disease.