Preterm babies who are not good at breastfeeding and keep crying can be caused by a variety of reasons, generally considered indigestion, thrush, insufficient breast milk or improper feeding, suffering from diseases and so on; need to be based on the different causes of the child by the physician, to take the appropriate treatment measures and methods. 1. indigestion: the baby’s own age and digestive function is not yet sound, improper feeding can be indigestion; can be under the guidance of the doctor to increase probiotics and digestive drugs, and at the same time need to feed a small number of meals. 2. Thrush: Thrush is caused by fungal infections, babies with thrush will appear after this performance, can be applied under the guidance of the physician mycotoxin tablets, or sodium bicarbonate solution for local application. 3. Insufficient breast milk or improper feeding: when the mother’s milk is insufficient to meet the needs of the child’s growth and development, or the frequency of breast milk is too small, etc., can appear this performance; can increase the frequency of breastfeeding, if the breast milk is insufficient to match the milk powder to combine feeding. 4. Suffering from diseases: When the child suffers from a disease, due to the influence of the disease itself may appear this performance. You need to go to the hospital to get a clear diagnosis of the cause of the disease, and then carry out targeted treatment, you can not just randomly use drugs.