The invention provides an optical coupling chip solid-state relay (SSR) integrated circuit. The optical coupling chip SSR integrated circuit is characterized by comprising a plane type frame, a lightemitting part, a photoelectric receiving part, an internal packaging body and an external packaging body, the light emitting part and the photoelectric receiving part are arranged on the plane type frame, and located in the same plane. According to the optical coupling chip SSR integrated circuit, a traditional three-dimensional packaging structure is changed into an existing planar packaging structure, since the change of the isolation distance D in the planar package structure can be controlled, the optical coupling chip SSR integrated circuit can operate under various operating voltages, and the phenomenon of point discharge is avoided; and in addition, through arrangement of specially designed transparent silica gel and a white plastic package body, a light path is established in the plane through light emitted by an LED luminous tube, and more easily received by a photoelectric receiving tube, the efficiency of light transmission is improved, and performance of whole products is improved.