Breastfeeding blocked milk with hard lumps that hurt when you touch it is considered to be probably caused by mastitis and milk stagnation. It is recommended to go to the hospital in time for examination and diagnosis and treatment under the guidance of the doctor. 1. Mastitis: It is generally categorized into bacterial and non-bacterial mastitis. The clinical manifestations are redness and swelling of the breasts, pain, poor milk drainage, and elevated skin temperature of the local skin. The main thing is to take antibiotic anti-infection treatment, such as amoxicillin capsule, cefdinir tablets and so on. As the drugs can affect the baby through breast milk, it is recommended to use under the guidance of the doctor. 2. milk stagnation: due to milk stagnation caused by breastfeeding blocked milk hard lumps, it is recommended to take manipulation massage, breast pump and other to promote the discharge of milk, so as to reduce the secretion of milk, to alleviate the pain of the chest hard lumps. The hard lumps in the breastfeeding blockage pain when touched, but also consider trauma and other reasons, it is recommended that the patient timely to the hospital examination, clear cause and then deal with, to avoid improper treatment and serious illnesses. Daily rest, keep a light diet, avoid spicy stimulating food.