Multifunctional straw

A multifunctional suction tube belongs to the technical field of daily necessities and comprises a tube body, a hollow spherical anti-blocking piece is arranged at the tail end of the tube body, a tube body pipeline is communicated with a hollow cavity of the anti-blocking piece, a plurality of liquid inlet holes are distributed in the anti-blocking piece at intervals, and the anti-blocking piece comprises a half-surrounded first shell arranged on the tube body. The first shell is provided with a half-surrounded second shell which can be turned over, and the second shell and the first shell jointly form a half-surrounded spoon head shape through turning over; the anti-blocking piece can be used as a filter piece at the front end of the straw to play an anti-blocking role, the first shell and the second shell which form the hollow spherical anti-blocking piece are also of a semi-enclosed structure, and the first shell, the second shell and the hard pipe body jointly form a spoon for scooping large-particle foo