Dental floss pick capable of being repeatedly used

The utility model discloses a reusable floss pick which comprises a tube body and is characterized in that a strip-shaped sheet is pushed in the tube body through a pushing device, a shaft seat is arranged in the middle of the strip-shaped sheet, a winder is mounted on the shaft seat, two spaced supporting devices are respectively fixed at the near end part and the end part of the strip-shaped sheet, clamping grooves are formed in the tops of the supporting devices, and the clamping grooves are communicated with the strip-shaped sheet. One end of the dental floss is wound on the winder, and the other end of the dental floss is sequentially clamped in the clamping grooves of the two supporting devices. According to the pushing device, the inner end of the strip-shaped piece is connected with an adjusting piece through an elastic piece, an adjusting protrusion and a positioning protrusion are arranged on the adjusting piece, and a sliding groove and a positioning hole which are matched with the adjusting protru