The invention provides a manufacturing method for a long-service-life slide rail, and aims to the technical problems of too easy operation steps, no spaying of painting on the surface, short service life of a product and the like in the conventional manufacturing method. The manufacturing method of the long-service-life slide rail comprises the steps: a, purchasing; b, injection molding; c, stamping; d, spraying; e, riveting; f, labelling; g, packaging. The product has the advantage of long service life.