The invention relates to a concrete slurry rheological behavior general testing method and the testing device. The main feature of the device is that it includes four parts: measuring cylinder sharp hopper, thin measuring cup, test stand, and desk top timer or setting automatic timing system. It uses computer analysis and estimating the different concrete fine stuff, compounding fine stuff mixing adaptability and slurry rheological behavior. The invention supplies a general testing method that has simple device and is convenience to operate. The test has the advantages of rapid, little waste material, low labor intensity and high using efficiency of the test result.