Sampling assembly

The utility model discloses a sampling assembly which comprises a sampling barrel, a needle point barrel is connected to the lower portion of the sampling barrel, a first notch is formed in the connecting position of the sampling barrel and the needle point barrel, a rotary cutter barrel is arranged in the sampling barrel and located on the inner side of the first notch, a second notch is formed in the rotary cutter barrel, and the needle point barrel is connected with the second notch. The upper end of the rotary cutter cylinder is a semicircular cylinder, the lower end of the rotary cutter cylinder is in a semi-needle-point shape, the rotary cutter cylinder is located in the sampling cylinder and rotates, and the outer wall of the rotary cutter cylinder is attached to the inner wall of the sampling cylinder. The rotary cutting knife cylinder is rotated to drive the knife edge at the second notch to cut off the muscular tissue extending into the first notch, the muscular tissue is stored through the sampling