The purpose of this case study is to describe the experience of two children who have sensory defensiveness and to guide further study of sensory defensiveness treatment. The subjects were two children with sensory defensiveness and aged 8 and 3. It was used Sensorimotor History Interview for the evaluation of sensory defensiveness and interviewed with parents. The Wilbarger protocol in this case study was included jump-ing and crushing on the bed as routine activity in every morning and bedtime, a Wilb-arger brush with very firm pressure and joint compression per 2 hours when subjects had waked up and occupational therapy 1 to 3 times per week. According to this case study, the subjects had decreased defensive behaviors for sen- sation of touch, vision, sound and taste, and social emotional problems. During the treatment, the sleep cycle was changed and more stabled to sleep. And the optimal arousal level was more maintained for wake up period.