In Uzbekistan, important reforms have begun in the child protection system in order to protect children from violence, exploitation and abuse by
strengthening the national legal framework, increasing legal literacy among the population. The use of the systematic child labor in cotton harvesting has been discontinued. Particular attention is paid to the issues of de-institutionalization of children with the aim of reducing and preventing the placement of children left without parental care as well as children with disabilities in residential institutions. In order to design dynamically comfortable children's clothing, the changes in body size in movement were investigated, and the values of dynamic increments of dimensional features when a child performs the most characteristic movements were established.