The invention relates to an air bag grabbing mechanism arm and belongs to the field of machinery. The air bag grabbing mechanical arm is composed of a pneumatic control mechanism and an air bag grabbing mechanism which are connected through bolts. Rubber serves as a main material of an air bag, a thin-walled article can be evenly stressed when grabbed, the damage to the grabbed article is reduced,and the air bag grabbing mechanical arm has the beneficial effects of being novel in type, ingenious in structural design, high in practicality and the like.