Sleep process can be divided into rapid eye movement period and non-rapid eye movement sleep, the two intervals appear, from non-rapid eye movement sleep to rapid eye movement sleep about 90-100 minutes for a cycle, each night will appear 5-6 cycles, sleepwalking mostly occurs in the non-rapid eye movement period. Sleepwalking is a sleep disorder, the main reasons for the occurrence of the following aspects: 1, genetic factors: there is research to prove that the immediate family members who have sleepwalking phenomenon sleepwalking occurrence rate is higher; 2, developmental factors: children sleepwalking rate is higher than that of adults, consider with the development of the cerebral cortex, with the age of sleepwalking phenomenon gradually disappear; 3, psychological factors: because of the stress of daily life, the psychological can not effectively relax caused by Mental high tension, long-term lead to neurosis or schizophrenic person sleepwalking incidence is higher; 4, living habits: such as long-term stay up late leading to sleep deprivation, take a lot of tea, coffee and other excitatory drinks, a lot of tobacco and alcohol addiction, sleep environment changes, etc. affect sleep, resulting in sleepwalking phenomenon. Therefore, usually sleepwalking in childhood is a normal phenomenon, and those who have infrequent episodes do not need treatment, but the episodes should ensure patient safety; adults who have long-term episodes need to pay attention and seek professional help when necessary.