Postpartum milk swelling and hardness is usually due to poor milk drainage, retention in the breasts to form milk lumps, resulting in postpartum milk swelling and hardness. You can relieve the symptoms by applying hot compresses, massaging and draining the breasts. 1. Hot compresses: hot towels can be used to promote blood circulation, so that the mammary glands become smooth, which is conducive to the circulation of milk, thus improving the symptoms of postpartum milk swelling and pain and hardness. 2. Massage: you can choose an experienced doula to massage, promote the unblocking of the mammary ducts, to a certain extent, can improve the symptoms of postpartum milk bloating pain is very hard. 3. Breastfeeding: You can increase the number of times your baby eats, breastfeed on demand, and use a breast pump to assist in emptying the breast milk if necessary, so as to improve the symptoms of postnatal milk swelling and pain and hardness. If the symptoms are still not relieved, it is recommended to go to the hospital in time, under the guidance of the doctor active treatment.