The application relates to a spraying method of an art special spraying gun. When the art special spraying gun is used, firstly raw materials are put into spraying pipes which are located in sprayinggun bodies from material feeding ports; during drawing, pressing plates are enabled to move towards the left by holding handheld parts by hands and pressing switches, so that a pressure can be formedto spray paintings of the spraying gun bodies onto a drawing board from the interiors of spraying heads; a disk is enabled to keep on doing circular motion with a rotary shaft by rotating the disk when needing different paintings for drawing; the different paintings can be used for drawing by fixing the handheld parts by holding when turning to the required spraying gun; during spraying, anti-slipthreads are used for slipping resistance and required tools for drawing are put into tool grooves (12) in advance for finding the corresponding tools rapidly.