Children metacarpophalangeal joint elastic passive drafting device

The utility model provides an elastic passive traction device for metacarpophalangeal joints of children. The elastic passive traction device comprises wrist back side traction frames located at the two ends, a wrist-palm side traction frame and an elastic belt assembly located in the middle. Wherein the wrist back side traction frame comprises a first middle belt, a first fixing belt, a wrist adjusting ring and two first connecting belts, a timer is arranged on the back side of the first middle belt, and the first fixing belt, the wrist adjusting ring and the two first connecting belts are sequentially arranged on the first middle belt from outside to inside; the wrist and palm side traction frame comprises a second middle belt, a second fixing belt and two second connecting belts, the second fixing belt and the two second connecting belts are sequentially arranged on the second middle belt from outside to inside, and the two second connecting belts are matched with the two first connecting belts respectivel