Fumigating machine with waterproof sealing structure

The utility model discloses a fumigation machine with a waterproof sealing structure. The fumigation machine comprises a shell main body, an inner tank, a fumigation cover and a waterproof ring, the shell body is provided with a containing cavity, and the inner tank is installed in the containing cavity. The shell main body extends towards the tank opening of the inner tank and is provided with a covering interlayer, and a shell hole corresponding to the tank opening is formed in the covering interlayer; the fumigation cover can seal the shell hole; the waterproof ring can be clamped in the shell hole and comprises a first waterproof part and a second waterproof part, the first waterproof part is connected between the tank opening and the covering interlayer in an abutting mode, and the second waterproof part is connected between the fumigation cover and the covering interlayer in an abutting mode. During use, the first waterproof part of the waterproof ring is abutted between the tank opening and the coverin