The invention discloses a mechanism for stirring an adhesive for fluorescent powder. The mechanism comprises a driving motor, wherein the driving motor is provided with a driving shaft; the end part of the driving shaft is provided with a driving pipe; a rotating disk is sleeved between the driving pipe and the driving shaft; the outer circumferential surface of the end part of the driving pipe is provided with a rotating sheet; the outer side wall of the rotating sheet is provided with a projecting part; the projecting part and the rotating sheet form an integrated structure; a mounting seat is arranged between the rotating sheet and the driving pipe; the mounting seat comprises a buckling seat and a spacing pipe arranged on the buckling seat; the outer side wall of the spacing pipe is provided with an insertion hole; the side wall of the spacing pipe is provided with a fixing rod; the fixing rod penetrates through the insertion hole; one end of the fixing rod is in contact with the driving pipe; the other end of the fixing rod is provided with an operating rod; one end of the operating rod is sleeved on the outer circumferential surface of the other end of the fixing rod; and the other end of the operating rod is a free end. According to the invention, the adhesive for fluorescent powder to be treated can be poured into a barrel, and the adhesive for fluorescent powder can be conveniently stirred through the rotating disk and the rotating sheet, thereby greatly improving the stirring efficiency of the adhesive for fluorescent powder.