Abstract: An electrical connector electroplating process includes: performing a pre-treatment of an electrical connector to remove grease; performing an activation treatment of the electrical connector to activate an oxide film on a surface of the electrical connector; plating a layer of bottom coating on the surface of the electrical connector; plating a layer of silver film coating on a surface of the bottom coating; plating a layer of gold film coating on a surface of the silver film coating; plating a layer of platinum or rhodium film coating on a surface of the gold film coating; performing a post-treatment including surface pore sealing, water washing, and baking/drying of a surface of the platinum or rhodium film coating.