Project schedule management is the central content in project organization plan, which affects the project time and
investment. The traditional representation methods of schedule are gant chart, network chart, S curve, etc. With the
engineering scale increasing constantly, techniques and management level are improving, single method can not meet the
requirements of project schedule management. Comprehensive comparison method gets more and more attention, and
has become one symbol of project management modernization with its vivacity and brevity form. The paper analyzes the
factors that affect the project, and then compare the progress of the different control methods, finally it made some
management measures of project schedule.