Video picture special effect rendering method and device and video live broadcast system

The invention relates to a special effect rendering method and device of a video picture, a video live broadcast system, computer equipment and a computer readable storage medium. The method comprises the following steps: acquiring first AI information of a first video picture; performing special effect rendering on the first video picture by utilizing a picture deformation special effect in the special effects to be rendered according to the first AI information to obtain a second video picture; modifying the first AI information according to a deformation parameter of the second video picture relative to the first video picture to obtain second AI information matched with the second video picture; and carrying out special effect rendering on the second video picture by utilizing other special effects in the to-be-rendered special effects according to the second AI information. The technical scheme can be applied to various types of special effect rendering of various small videos and video live broadcast, c