Dynamic mud cake circulating device and using method thereof

The invention relates to a dynamic mud cake circulating device and a using method thereof. The dynamic mud cake circulating device is characterized by comprising a lower kettle cap, a cylinder body, a lower support bracket, a ground layer test sample, an upper support bracket, an upper kettle cap and an experiment tool, wherein the lower kettle cap is provided with a through liquid opening; the cylinder body is welded on the top surface of the lower kettle cap; the lower support bracket is arranged in a concave edge of the lower kettle cap; the ground layer test sample is arranged on the top surface of the lower support bracket; the upper support bracket is arranged on the top surface of the ground layer test sample; the upper kettle cap which is connected with the cylinder body in a seal mode and is provided with a side liquid outlet and a central test well opening is arranged on the top surface of the upper support bracket; and the experiment tool connected with a driving device is arranged at the center of