The invention discloses an efficient shielding multipurpose connection filter, and belongs to the technical field of production of connection filters, the efficient shielding multipurpose connection filter comprises an input end cable, a plug, a socket, a filter shell, a filter cover plate and three output end cables, a plurality of wires in the input end cable comprise a first group of wires, a second group of wires and a third group of wires, the plug comprises a
metal plug shielding shell, a first plug plugging
assembly, a second plug plugging
assembly and a plurality of third plug contact elements, the first plug plugging
assembly, the second plug plugging assembly and the plurality of third plug contact elements are arranged inside the
metal plug shielding shell, and the socket comprises a
metal socket shielding shell, a first socket plugging assembly, a second socket plugging assembly and a plurality of third socket contact elements, an inner cavity of the filter shell is divided into a first inner cavity and a second inner cavity by a shielding partition plate. According to the invention, the plug-in type electric connection function of three groups of wires with different purposes is realized, the whole-course mutual
electromagnetic shielding function among the three groups of wires is also realized, and the special application requirements on small aircrafts such as fighters, helicopters, unmanned aerial vehicles and the like are met.