Frequent nightmares in children may be related to environmental changes, mental-emotional factors, etc. When children wake up with nightmares, parents should be there to soothe them. Common causes and related suggestions are as follows: 1. Environmental factors: It may be caused by exposure to bad TV images such as horror or violence, or noisy surroundings and changes in the sleep environment can lead to nightmares in children. Try to create a safe sleep environment for the child, let the child sleep at ease, try to avoid letting the child see violent, horrible videos or pictures; 2, mental factors: children have unhappy things, or the spirit is too nervous, can lead to children have nightmares, parents should encourage education children, try to reduce criticism education, more take the child to participate in outdoor activities, release pressure; 3, pathological Factors: children with neurasthenia can also often appear nightmares, can be nutritional brain nerve conditioning, oral sedative and tranquilizing drugs in accordance with medical advice. In addition, some brain diseases, such as tumors, may also cause children to have nightmares, you can go to the hospital to do brain imaging examination, to clarify the cause before treatment. The parents can accompany the child to sleep and then leave, while humming lullabies and stroking the child’s back to increase the child’s sense of security.