The invention discloses a multifunctional physical simulation system for formation module mud invasion, which includes a formation module saturation device, a drilling mud preparation device and a mud invasion physical simulation device. Data acquisition device, the simulated shaft is respectively connected to the feeding bin and the pressurized pump, and the stirring shaft and the impeller are installed at the position of the shaft of the simulated shaft, and the stirring shaft is connected to the stirring motor by transmission, and a window is opened on the simulated shaft, and the sector The invasion chamber is equipped with a fan-shaped formation module, which is sealed and connected to the window of the simulated wellbore, and a fluid loss flow measurement device is installed at the outlet of the fan-shaped invasion chamber, and the invasion dynamic data acquisition device is connected to the invasion chamber. The invention has the characteristics of modularization, visualization, realistic simulation degree, high utilization rate, high precision, complete functions, etc., and the multi-invasion chamber structure is convenient for comparative experiment design.