A light-emitting device includes EL sheets assembled according to insert molding, a fixing body disposed on rear surfaces of the EL sheets and having a groove and holes for holding the EL sheets prior to being assembled according to insert molding in a desired position, and a molded body disposed on front surfaces of the EL sheets. The molded body is injection-molded in covering relation to the EL sheets held on the fixing body to integrally combine the fixing body and the EL sheet with the molded body according to insert molding.