Abstract: Juvenile Idiopathic Arthritis is one of the most common inflammatory joint disease in children, and assessing its physical function is an important part of the clinical assessment of children with this disease. This paper reviews the main contents, characteristics and applications of physical function assessment tools for children with Juvenile Idiopathic Arthritis at home and abroad. It is suggested a suitable physical function assessment tool for children with Juvenile Idiopathic Arthritis should be developed in China based on the characteristics of existing tools and the disease characteristics of children with Juvenile Idiopathic Arthritis, in order to provide a basis for relevant studies.

Key words: Juvenile Idiopathic Arthritis ; physical function ; assessment tool; review