The utility model provides a pneumatic composite set of large -scale generator stator bar, by weave platform (1), mount (2), two solar term jar (3), die clamping cylinder (4), fixture (5), spiral guiding mechanism (6), movable vice jaw (7), pneumatic unit (8), automatically controlled button box (9), automatically controlled cabinet (10), stator bar (11) are constituteed, the utility model discloses utilize pneumatic theory of operation, this difficult problem of large -scale generator stator bar combination difficulty has been solved to the two solar term jars of ingenious application. Automatic control is accomplished to arrange large -scale programmable controller's automatically controlled platform, has increased its security and practicality, is that a typical case's mechanical and electrical integration uses. The utility model discloses development aim at improves work efficiency, strengthens factor of safety, reduces operator's intensity of labour to intelligence manufacturing to china has positive promoting effect.