The utility model discloses a fence which comprises a fence body and waterproof baffles. The fence body comprises insulation supports and insulation fences, and first grooves arranged along the lengthwise direction of the insulation supports are arranged on one surfaces, used for fixing the insulation fences, of the insulation supports; the length of the waterproof baffles is matched with the distance between groove bottoms of the first grooves of the two neighboring insulation supports while the thickness of the same is matched with the groove width of the first grooves. In rainy days, the waterproof baffles can be inserted into the first grooves of the insulation supports, so that a waterproof function of fence is achieved; when the rainy days pass, the waterproof baffles can be pulled out by a user. Compared with the prior art, the fence has the advantages of convenience in operation, high working efficiency and low labor intensity.