An improved vehicle wheel spraying support tool is provided. The improved vehicle wheel spraying support tool is composed of a base plate, rotary sleeves, adjustment rods, supporting pins, a stationary sleeve, a flange, fixed plates and the like. In use, the rotary sleeves with random number are mounted in a slot of the base plate and a slot of the flange through sliding pins according to requirements; after angles among the supporting pins are adjusted, the rotary sleeves are fixed through screws III; the positions of the supporting pins can be adjusted to fit in vehicle wheels of different pitch circles by adjusting the positions of the adjustment rods in the rotary sleeves; and the vertical heights of the supporting pins can be adjusted through threads of the lower parts of the supporting pins, and the supporting pins are locked through locking nuts. The improved vehicle wheel spraying support tool provided by the disclosure can meet the on-line spraying requirements of special forged vehicle wheels with different pitch circle diameters, different heights and different sizes, not only has a simple structure and high universality, but also has the characteristics of safety, reliability, low manufacturing costs and the like.