The invention provides a visual experiment system for a corrugated plate dryer. The visual experiment system comprises an experiment section, a liquid membrane generator, a water circulating module, an air inducing module and an image information acquisition module. Each of front and back ends of the experiment section is connected with an air channel, fans provide driving force for air in the channels, a first water loop starts from a circulating water tank, passes through a circulating water pump and a No.1 regulating valve, finally flows back to the circulating water tank and is mainly used for regulating the water flow entering a pressure-stabilizing water tank; a second water loop starts from the circulating water tank, sequentially passes through the circulating water pump, a No.2 regulating valve, the pressure stabilizing water tank and a No.3 regulating valve, finally flows back to the circulating water tank and is mainly used for discharging excessive water in the pressure-stabilizing water tank; water, flowing out of the pressure-stabilizing water tank, in a third water loop passes through a No.4 regulating valve and the liquid membrane generator, enters the experiment section to generate a liquid membrane, falls into a water collecting tank and finally flows back to the circulating water tank via a bucket. The visual experiment system provides service for thickness measurement and critical fracture research on the vertical descending liquid membrane.