A compression connector includes a housing and a plurality of terminals assembled to the housing. The insulative housing having a first mating surface and a second mating surface opposite to the first mating surface. Each terminal cavity disposed between and running through the first and second mating faces. Each terminal has a deforming portion received in the cavity, an upper contact and a lower contact extending from opposite ends of the deforming portion. The upper contact extending beyond the first mating surface and the lower contact extending beyond the second mating surface. The deforming portions are movably limited in the terminal cavities and will cause compressive deformation when either the upper contact or the lower contact is bearing an external pressure.