A system of controlling shift for a vehicle may include a data detector configured to detect data for a shift control; a road shape determiner configured to determine a road shape of an inclined road based on the data; an engine brake tendency determiner configured to determine an engine brake operating tendency of a driver based on the data; and an engine brake operating stage determiner configured to determine an engine brake operating stage based on the road slope and the engine brake operating tendency of the driver, wherein the system controls the shift according to the engine brake operating stage determined by the engine brake operating determiner.