The invention discloses a production process of an external wall panel of a prefabricated concrete shear wall, and relates to the technical field of building construction processes. The production process comprises the following steps of mold clearing, mold mounting, bottom layer bar mounting, bottom layer burying, bottom layer distribution, extrusion plate pavement, external page mesh pavement, concrete pouring and compacting, aftertreatment, component maintenance, mold dismounting, component hoisting and finished product storage. According to the process, existing production process processes are overturned, production line production becomes smooth and efficient from originally jamming, component quality is greatly improved, potential safety hazards of components are reduced, labor intensity is greatly reduced, and cost is reduced; and special tools are adopted for mold dismounting and mounting, operation is simple and rapid, and a solid foundation is laid for automation of the nextstep.