Abstract: The data acquisition and analysis system of the vertical ship lift model test can collect and analyze variant data on electricity, liguid pressure, mechanism, structure and hydrodynamics etc.. The system is utilized in 386 DX / 40 personal computer. The system can simultaneously process 64 surveying signals, nearly 40 variables, and can progress calibration and examination for every variable. The system adopts whole chinese screen,man - machine dialogue mode. The characteristics of the system are objective, reliable and high accurate.