Exterior wall putty binding powder of "Wanli" brand, which makes up the shortage of this industry in this area. Such putty powder has a strong resistance to impact, vibration, heat modification, water and alkali. It can prevent and inhibit the formation and expansion of cracks, and can withstand acid and alkali to a large degree. Therefore it is the best base material for exterior wall paint, and solves the disordered condition of base material of exterior wall paint, no basic rule to follow when quality problems occur in the market. It has stable performance, convenient construction, smooth surface after being constructed, and can shorten the engineering period.