The invention discloses a manufacturing method of a polymer-metal composite. The manufacturing method comprises the following steps that (1) computer assisted design software is adopted for designinga composite polymer matrix three-dimensional model; (2) 3D printing slicing software is applied to carrying out slicing process on the matrix three-dimensional model according to printing parameters,and numerical control programming language codes for driving a photocuring 3D printer are obtained; (3) the photocuring 3D printer is applied to curing photocuring resin layer by layer, and a composite polymer matrix is manufactured; (4) the surface of the matrix of the polymer-metal composite is subjected to roughening, activating and dispergation treatment; and (5) a chemical plating process isapplied to depositing a metal layer on the surface of the composite polymer matrix, and the needed polymer-metal composite is obtained. A product entity is manufactured by curing the material layer bylayer through the photocuring 3D printing technology, the manufacturing process does not depend on expensive cutters or molds, the technological process is simple, the manufacturing cost is low, andthe manufacturing method is quite suitable for rapid production of products of medium batches and small batches.