A butt type contact terminal comprises a terminal body 3, a sliding contact member 4 slidably engaged around an outer periphery of the terminal body, and a resilient member 5 resiliently provided between the terminal body 3 and the sliding contact member 4, either one of the terminal body and the sliding contact member being provided with a plurality of elastic contact pieces 10 arranged in a circumferential direction by way of axial slits 9, and the terminal body and the sliding contact member being respectively provided with projections 11, 19 for engagement and contact therebetween. The terminal body 3 includes an elastic contact portion 6 in a cylindrical shape, a flange portion 8, and an electric wire connecting portion 7. The sliding contact member 4 includes a peripheral wall 15 in a cylindrical shape having the projections 19, a covering wall 16, and a contact portion 17. An outer diameter of the elastic contact portion 6 is larger than an inner diameter of the peripheral wall 15, whereby the elastic contact portion is elastically brought into contact with the peripheral wall. A coil spring 5 is resiliently provided between the peripheral wall 15 of the sliding contact member 4 and the flange portion 8 of the terminal body 3. The terminals 1 are inserted into a connector housing 23, the flange portions 8 are locked by locking lances 28, and waterproof packings are tightly fitted to the contact portions 17 and to the electric wires 2.