The alkali-proof glass fiber mesh cloth uses the machine-woven material of central-alkali and or non-alkali as material and treats with alkali-proof coating. The strength, bonding, smoothness and fixing of the product are very well. It is widely used for reinforcement of walls, keeping warm exterior walls and water-proof of building roofs, other than are the wall reinforcement of cement, plastic asphalt, marble, mosaic and so on. It is an ideal material for construction.