The invention belongs to the computer all-in-one machine-class performance testing filed and relates to a computer all-in-one machine touch control pressing swing testing system. The testing system comprises a rack and an operation and control unit; the rack includes motor drivers (1), an outer cover (2), a testing platform (3), a gas source processing unit (4), platform upright columns (5), gantry module sets (6), a longitudinal module set (7), a laser ranging sensor (8), a force applying air cylinder (9), a force applying module set (10), a horizontal module set (11), a base (12), an oscillating air cylinder (13), a force measuring sensor (14), gantry upright columns (15), columns (16) and a back plate (17); the motor drivers (6) are connected with the gantry module set (6), the longitudinal module set (7), the force applying module set (10) and the horizontal module set (11) through cables, and control the movement of the gantry module sets (6), the longitudinal module set (7), the force applying module set (10) and the horizontal module set (11); the gas source processing unit (4) is connected with the force applying air cylinder (9) and the oscillating air cylinder (13) through cables, and controls the movement of the force applying air cylinder (9) and the oscillating air cylinder (13).