Preterm babies three months can not raise their heads is a relatively normal phenomenon, you can carry out appropriate training, but at the same time also need to be alert to some pathological factors. Generally speaking, compared with full-term birth of healthy babies, the development of preterm babies will be slightly delayed, in the three-month period can not raise their heads is a relatively normal phenomenon, at this time you can help babies to raise their heads for training: let the baby lying on a relatively flat cushion, with the help of his interest in toys to guide him to raise his head slowly; On the other hand, it is also necessary to observe whether the infant’s sleep and diet are normal. If there are abnormalities and the infant still can’t raise his head after a period of training, it is necessary to be alert to the infant’s developmental delay or some diseases, such as Vitamin D deficiency, cerebral palsy, etc. It is recommended that the infant seek medical treatment immediately for a comprehensive and systematic examination to find out the specific causes.