A cannula (100) for catgut-embedding therapy according to the present invention comprises: a tube (110) having a closedfront end and a hole (120) penetrating a side of the tube (110), wherein the cannula (100) comprises a ball (140) inserted into thetube (110) and arranged to guide a catgut-embedding string (130) to the hole (120). The present invention can advantageouslysolve the problem of spikes (131) getting stuck at the front end (121) of the hole (120) and failing to come out.
