To provide structure for fitting a waterproof glove to the sleeve opening of a raincoat capable of surely preventing infiltration of rainwater from the sleeve opening of the raincoat to the glove and capable of economically exchanging the glove only in the case of damaging the glove.

In this fitting structure, a fitting ring 5 having a fit-in ring 6 is attached to the opening end part 4 of the waterproof glove composed of a material having waterproofness and flexibility, a water shielding cover 7 capable of inserting hand, on the inside of the sleeve opening of the raincoat, and characteristically fitting a receipting ring 8 provided with a receipting groove 9 tightly fitting with the fit in ring 6, on the water shielding cover.