Sensory integration therapy is an important part of systematic rehabilitation and a key part of achieving results, and is a flexible training method that involves teaching and practicing. So what are the symptoms of sensory integration disorders that require sensory integration training? 1, vestibular balance dysfunction manifested as head control, rolling over, sitting, crawling, standing unstable; poor body flexibility, improper posture, poor bilateral coordination, hyperactivity and restlessness, walking and falling, circling in place and easy to vertigo, inattentiveness, inattentiveness in class, love to make small movements, naughty and capricious, excited and active, easy to violate classroom discipline, easy to conflict with others, fussy, difficult to communicate with others, also difficult to share with others toys and food, and cannot consider the needs of others. Some children may have delayed language development and may not be able to speak with the right words. 2. Poor visual sense: Although they can watch cartoons and play with electric toys for a long time, they cannot read fluently, often skip or miss reading or have more or less words; they can write upside down, even do not know words, forget after learning, cannot do calculations, often copy wrong questions and miss questions, etc. 3, poor sense of hearing is manifested in the words of others but do not hear, lost, often forget what the teacher said and left homework, etc.. 4.Tactile over-sensitivity or over-retardation manifested by fear of unfamiliar environment, hand sucking, nail biting, crying, love to play with genital organs, over-attachment to parents, easy to produce separation anxiety, or overly nervous, love to provoke others, partial or overeating, grumpy. 5, over-sensitive or over-retarded pain sensation Performance of risk-taking behavior, self-injury and self-harm, do not know how to sum up the lessons learned. Or move less. Isolation, misfit, shrinkage, lack of curiosity, lack of exploratory behavior. 6, proprioceptive disorders manifest as poor sense of direction, easy to get lost, easy to get lost, can not play hide-and-seek, easy to fall down with eyes closed, standing without standing, sitting without sitting, easy to hunchback, myopia, excessive fear of the dark. Poor motor coordination Poor motor coordination, easy to fall down when walking, unable to roll, ride a bike, jump rope and volleyball like other children. 8. Poor fine motor skills, such as not being able to tie shoelaces, button, use chopsticks, clumsy hands and feet, and poor manual skills.