The utility model provides a slip fishing barrel. The device comprises an upper joint, a cylinder body, a guide shoe and a slip, wherein the upper end of the cylinder body is connected with the upperconnector, the lower end of the cylinder body is connected with the guide shoe, the slip is arranged in an inner cavity of the cylinder body, the limiting part is located in the cavity, the upper endof the limiting part is connected with the upper connector, the lower end of the limiting part extends into the cylinder body, and a distance-adjustable containing space is formed between the lower end of the limiting part and the slip. The length of the containing space at the upper end of the slip can be changed through the limiting part, and the slip can be used for salvaging fallen fishes withirregular lengths.