Building scaffold

The utility model discloses a building scaffold which comprises two vertical frames and a gangplank located between the two vertical frames, a supporting plate is fixedly arranged at the ends, away from the gangplank, of the vertical frames, a winding mechanism is fixedly arranged at the top of the supporting plate, and a winding cable with one end fixedly connected with the gangplank is fixedly arranged on the winding mechanism. By arranging the springboard, the supporting plate, the winding mechanism and the winding cable, if the height of the springboard needs to be adjusted, the controller controls the electric push rod to enable the positioning rod to retreat from the positioning groove, and then the double-shaft motor is started to drive the winding disc to rotate clockwise or anticlockwise, so that the winding cable is wound or released; and after proper adjustment, the electric push rod is opened to enable the positioning rod to be inserted into the positioning groove for positioning, so that the cons