This document specifies the terms and definitions, classification and codes, requirements, test methods, inspection rules, marking, packaging, transportation and storage of continuous carbon fiber reinforced thermoplastic unidirectional prepreg (hereinafter referred to as "prepreg"). This document is applicable to unidirectional prepregs that use thermoplastic resin as the matrix and continuous carbon fiber as the reinforcing material, and can be used to prepare thermoplastic composite products through winding, molding, pultrusion and other processes.