Sampling equipment of silt and soft soil

The invention discloses sampling equipment of silt and soft soil. The sampling equipment of the silt and the soft soil comprises a sampling device and a static force pressing and lifting device which is detachably connected with the sampling device, wherein the sampling device comprises a vertically arranged sampling thin-walled pipe and a valve which is arranged on a sampling thin-walled pipe; the valve comprises a valve body which is directly connected with the sampling thin-walled pipe through an internal thread and a cock body which is connected with the valve body in a rotational mode; and a pulling ring which is connected with a pulling rope is arranged on the cock body in fixed connection. Basically disturbance is not caused to samples in a down-sampling process of a thin-walled pipe due to the facts that a sampling process is performed through the thin-walled pipe and the valve is arranged at the upper end of the thin-walled pipe. After the down-sampling process of the thin-walled pipe is achieved, the valve is closed, and the upper end of the thin-walled pipe is sealed to form vacuum; the thin-walled pipe is lifted, an undisturbed sample performs upward movement with the thin-walled pipe, and the sample is obtained. The sampling equipment of the silt and the soft soil has the advantages of being small in disturbance to the slit and slit soil in the entire sampling process and capable of obtaining a primary undisturbed sample and a secondary undisturbed sample.