A multifunctional windshield wiper connection structure, comprising: a main seat, configured with a cross hole on a front end thereof, a symmetrical sliding groove extended obliquely inward being respectively configured on two sides of said cross hole, a groove being configured behind said cross hole, a fixing hole passed through the main seat being configured on two sides thereof below said groove, a sliding groove being configured behind said fixing hole, a symmetrical buckling channel being respectively configured on two sides of a rear edge of said main seat, a clamping portion being configure on a bottom edge of said main seat, and a buckling bar 21 for the fixation thereof to a retaining seat of a windshield wiper being configured on a proper position of a center of said bottom edge; a front cover, configured with an inclined projecting rib respectively positioned on two sides of an internal face thereof, said front cover being fixed to a front end of said main seat after said projecting rib is engaged with said sliding groove and slid inward; a back cover, being a " "-shaped frame, a bottom edge of a vertical portion thereof being bended inward levelly to form symmetrical inlaying sheets, said back cover being fixed on a upper side of said main seat by inserting the inlaying sheets into said sliding groove of said main seat; a hole cover, being a " "-shaped frame, a vertical section thereof being configured with a circular projecting mass corresponding to said fixing hole of said main seat, allowing said hole cover to be embedded in said groove of said main seat exactly, and said circular projecting mass to be inserted in said fixing hole exactly; and a buckling element, being a " "-shaped body, and a concave engagement portion being formed on a bended section after a vertical section is extended forward a proper length, a symmetrical rib being configured on a respective internal face of said extension section, said buckling element being fixed on a rear side of said main seat by inserting said rib in said buckling channel; whereby, some of said components are detached from said connection structure, or recombined after the detachment according to different types of windshield wiper arms upon use so as to allow different types of windshield wiper arms to be able to be coupled to a windshield wiper, and the same multiple windshield wiper connection structure is capable of being used on different windshield wiper arms. a main seat, configured with a cross hole on a front end thereof, a symmetrical sliding groove extended obliquely inward being respectively configured on two sides of said cross hole, a groove being configured behind said cross hole, a fixing hole passed through the main seat being configured on two sides thereof below said groove, a sliding groove being configured behind said fixing hole, a symmetrical buckling channel being respectively configured on two sides of a rear edge of said main seat, a clamping portion being configure on a bottom edge of said main seat, and a buckling bar 21 for the fixation thereof to a retaining seat of a windshield wiper being configured on a proper position of a center of said bottom edge; a front cover, configured with an inclined projecting rib respectively positioned on two sides of an internal face thereof, said front cover being fixed to a front end of said main seat after said projecting rib is engaged with said sliding groove and slid inward; a back cover, being a " "-shaped frame, a bottom edge of a vertical portion thereof being bended inward levelly to form symmetrical inlaying sheets, said back cover being fixed on a upper side of said main seat by inserting the inlaying sheets into said sliding groove of said main seat; a hole cover, being a " "-shaped frame, a vertical section thereof being configured with a circular projecting mass corresponding to said fixing hole of said main seat, allowing said hole cover to be embedded in said groove of said main seat exactly, and said circular projecting mass to be inserted in said fixing hole exactly; and a buckling element, being a " "-shaped body, and a concave engagement portion being formed on a bended section after a vertical section is extended forward a proper length, a symmetrical rib being configured on a respective internal face of said extension section, said buckling element being fixed on a rear side of said main seat by inserting said rib in said buckling channel; whereby, some of said components are detached from said connection structure, or recombined after the detachment according to different types of windshield wiper arms upon use so as to allow different types of windshield wiper arms to be able to be coupled to a windshield wiper, and the same multiple windshield wiper connection structure is capable of being used on different windshield wiper arms.