<p style="text-align: justify;">This article is aimed at updating the specifics of implementing an interdisciplinary approach in psychological and pedagogical support for children in need of long-term treatment in medical hospitals. The publication describes the importance and possibilities of team interaction between specialists of helping professions in providing psychological and pedagogical support for children in need of long-term treatment with chronic somatic diseases. To implement an interdisciplinary approach, it was found that it is important to take into account the special needs of children in need of long-term treatment, their psychological and social characteristics. An approach to determining the current emotional state, higher mental functions, and personal characteristics of young patients studying in hospital schools is presented. Based on identified current needs, a comprehensive system of pedagogical rehabilitation and psychological and pedagogical support in a hospital school was formed, and the specifics of correctional and developmental, educational, advisory and preventive work of employees of the psychological and pedagogical support service were determined.</p>