The invention relates to a cooling tower odor-resistant structure comprising a cooling tower body which is of a cylinder structure. The cooling tower body is internally and sequentially provided witha cooling fan, a filler, a water storage pool and a water discharging pipe from top to bottom. An active carbon mesh plate and an odor-resistant assembly are arranged below the filler, the odor-resistant assembly is arranged below the active carbon mesh plate and comprises a fixing plate, a lifting column and a flexible block piece. The fixing plate is of an annular structure, the upper end of thelifting column is fixedly connected with the fixing plate, and the lower end of the lifting column is fixedly connected with the flexible block piece. The lifting column is internally provided with an elastic piece for being connected with the flexible block piece, and the flexible block piece is of an inverted arc-shaped structure. According to the cooling tower odor-resistant structure, odor components in the cooling tower can be effectively reduced, odor is prevented from flowing out of the cooling tower, and thus the surround environment is improved.