An improved floral scissors assembly includes a clamping jaw extended from a top end of a first handle, a blade, a second handle pivotally coupled to the bottom of the clamping jaw, a long hole formed on the blade, plural stop protrusions formed in the long hole, and a link rod installed between the second handle and the blade. The link rod has an end extended into the long hole by a stop pin and the other end coupled to a switching mechanism including a slice member and a stop portion. The stop portion is situated at an upper or lower fixed position. An active end of the link rod is switchably limited by the stop portion at the upper or lower fixed position, and the stop pin is moved in an opposite direction of the active end and between the upper and lower ends in the long hole.