The performance of sensory integration disorder can be categorized into: proprioceptive disorder, visual system disorder, auditory system disorder and so on. 1. Proprioceptive disorders: the main manifestation of the child’s imitation movement is not in place, often feel at a loss. It also shows that the child’s sitting posture is not stable enough, and the phenomenon of tilting will occur. Small strength leads to poor control of strength, and sometimes the child may not be able to grasp toys because of too much force or too little strength. 2. Visual system disorder: mainly reflected in the child, can look at the hand for a long time. They are afraid of some objects they often see; they have a tendency to line up objects compulsively; they like to hide alone in dark corners; they even stare at rotating objects for a long time; and they are also stubborn and obstinate. 3. Auditory system disorder: often for a period of time will talk to themselves, like some exciting screams, very interested in small sounds, and often make some strange behavior of pressing the ears. He or she is deaf to the words of others and ignores them. These manifestations of sensory disorder will seriously affect the child’s life and learning, parents are advised to take their children to the hospital in time to seek medical treatment, under the guidance of the doctor for sensory training.