The non-Newtonian elastohydrodynamic lubrication(EHL) under reverse sliding contact surface subjected to vibration impact was researched by calculating the pressure and elastic deformation by a multi-grid technique and a multilevel multi-integration method separately, and solving the temperature equation by the double direction sequential column sweeping process. It is shown that vibration impact will cause radical changes of the oil film pressure, film thickness and temperature. Squeeze effect will lead to a surge in the oil film pressure and temperature rise. And the separation effect will cause the oil film pressure sharply reduced, but not lubrication failure. Compared with the same direction, reverse slide cause pressure and film thickness less, the temperature higher, and also against for lubrication.