The utility model discloses a frost-prevention and thermal-insulation windshield glass of a bulldozer. The structure of the frost-prevention and thermal-insulation windshield glass comprises an inner windshield glass, an outer windshield glass, an inner sealing strip, an outer sealing strip and a windshield glass frame, wherein the upper part of the outer sealing strip is provided with a glass fixing slot, the lower part of the outer sealing strip is provided with a glass frame fixing slot, the bottom of the glass fixing slot is provided with a sunken structure, the inner windshield glass and the outer windshield glass are arranged in the glass fixing slot of the outer sealing strip, the inner sealing strip is arranged in the sunken structure, and the inner sealing strip is arranged between the inner windshield glass and the outer windshield glass; the windshield glass frame is fixedly connected with the outer sealing strip through the glass frame fixing slot. The frost-prevention and thermal-insulation windshield glass of the bulldozer, which is disclosed by the utility model, has the beneficial effects that the original one-layer windshield glass is changed into two-layer windshield glass, and a sealing space is formed between the two layers of windshield glass, so that a closed thin air layer is formed; by utilizing the isolation function of the air layer, a thermal-insulation and cold-proof function is achieved; the structure is simple, the machining technique is simple, and the cost is low.