Abstract: An orthodontic cutter, which comprises a cutter part 1 including a pair of handles 11, one of the handles being shorter than the other, which cross at a pivot axis and a pair of jaws 13 which have cutting edges; a tucker part 2 including a short stick-type handle 21 having the lower end thereof provided with a tip 211; a holder 12 formed on the lower lateral side of the shorter one of the handles 11 of the cutter part 1 and provided with an insertion hole 121; an insertion post 22 formed on the top end of the short stick-type handle 21 of the tucker part 2, provided with a clamping hole 221, and inserted into the insertion hole 121 of the holder 12; and a clamping bolt 3 mated with the clamping hole 221 for holding the insertion post 22 in the insertion hole 121. In the orthodontic cutter, the tucker part 2 is detachably incorporated with the cutter part 1, being able to perform a rotation movement on its own axis. This invention is allowed to perform two functions, i.e.