The invention provides a radiator mounting structure. The radiator mounting structure comprises an outer framework, a connecting rod, a radiator body, a rapid mounting mechanism and an inspection mechanism; the connecting rod is arranged on the left end surface of the radiator body and connected with the outer framework by the rapid mounting mechanism; the rapid mounting mechanism comprises a plughole, a positioning rod, a pushing handle, a moving groove, a containing groove, a spring, a groove, an electric pushing rod, a supporting plate, a clamping block, a clamping groove, a right clampingplate and a left clamping plate; the inspection mechanism is arranged in the middle of the left end surface of the inside of the outer framework and the inspection mechanism comprises a first rotary shaft, a first T-shaped groove, a first guiding plate, a first limiting groove, a first limiting sliding block, a first adjusting plate, a second limiting groove, a second limiting sliding block, a second T-shaped groove, a second guiding plate, a second rotary shaft and a second adjusting plate. Compared with the prior art, the structure has the following beneficial effects of realizing the rapidfixing function of the radiator body and realizing the rapid inspection function of the radiator body.