An apparatus for evaluating an electric characteristic of a semiconductor wafer including, at least, a wafer cassette section on which a wafer cassette for storing the semiconductor wafer that is an object to be evaluated is placed, a wafer pretreatment section for pretreating the semiconductor wafer in order to evaluate the electric characteristic thereof, a mercury probe section for evaluating the electric characteristic of the semiconductor wafer by using a mercury probe, and an automatic transport part for transporting the semiconductor wafer to each of the sections.