The invention discloses a molding technology of a seamless jacquard weave sport jacket. The processing processes comprise a weaving process, a staining process and a clothing process. The technology is characterized in that in the weaving process, fiber is weaved into non-binding long-tube cylindric fabric; besides, a jacquard process is completed in the weaving process, and after the staining process, a molding process is carried out first and then the clothing process is carried out. The product produced by the technical method of the invention has no seam; collision effect can be given by means of the jacquard process, without the need of matching; the size can meet requirements for exterior clothes which are comfortable to be worn; the technology is simple; and the producing efficiency is high.