Freezing tube for stem cell transfer

The utility model discloses a freezing tube for stem cell metastasis, which comprises a freezing tube base and a freezing tube main body, a tube hole is arranged inside the side wall of the freezing tube base, a cooling block is fixedly connected to the bottom wall of the freezing tube base, a cooling cavity and a transfusion cavity are arranged inside the cooling block, the side wall of the cooling cavity is fixedly communicated with a first one-way tube, and the first one-way tube is communicated with a second one-way tube. The top wall of the liquid conveying cavity is fixedly communicated with a second one-way pipe, the other end of the second one-way pipe is communicated with one end of the pipe hole, the top wall of the cooling cavity is fixedly communicated with a third one-way pipe, and the other end of the third one-way pipe is fixedly communicated with the end, away from the second one-way pipe, of the pipe hole; the side wall of the cooling block is fixedly connected with an electric push rod, and