A method of manufacturing an electrical wire connecting structure in which a terminal having a tube-shaped portion and a conductor portion of a covered electrical wire are crimped at the tube-shaped portion, and the tube-shaped portion has a conductor crimping portion corresponding to the conductor portion, and a cover crimping portion corresponding to a cover portion of the covered electrical wire, the method comprising the steps of a) forming the tube-shaped portion, b) inserting the covered electrical wire into a corresponding space, c) crimping a welded portion of the conductor, and d) compressing the cover crimping portion.