Three months baby can not hold up the head to be divided into two cases, one has learned to raise his head, but can not hold up the head for a long time; the second is neither can raise his head nor can not hold up the head, depending on the situation should be taken to strengthen the appropriate muscle training, rehabilitation treatment methods. 1. Appropriate strengthening of muscle training: mainly for the first situation, the three-month-old baby’s neck muscle development is not perfect, there will be unable to hold up the head, in line with the baby’s normal developmental pattern, the follow-up only need to slowly strengthen the muscle training can be, such as the use of both hands to help the baby to carry out the action of lifting the head and holding up the head; the use of toys or food to induce the baby to carry out the action of lifting the head to prolong the lifting time, and so on. 2. Rehabilitation therapy: for the second situation of the baby, need to be alert to the existence of neuromuscular pathology may be, should be timely to the hospital for a clear diagnosis, if necessary, to be early rehabilitation therapy, so as not to delay the condition. In most cases, three-month-old babies can not hold up their heads belong to the first situation, generally do not need too much intervention, appropriate strengthening of muscle training, waiting for its normal development can be. However, if the baby three months can not raise his head, it is recommended to consult a doctor in a timely manner, in accordance with the doctor’s instructions to be targeted treatment and treatment.