Flush toilet device

A flush toilet device which receives waste egested by a user and discharges the waste with water, comprising:

• a toilet which includes a bowl portion for receiving the waste and a water guide path formed therein to guide the water to the bowl portion;
• and
• a flush water supply device which supplies the water to the water guide path,
• wherein the flush water supply device includes
• a tank which reserves the water therein and includes a supply port formed to supply the water to the water guide path,
• a jet nozzle which is arranged on a lower side in the tank and jets the water,
• a jet water supply pipe arrangement which supplies the water to the jet nozzle, and
• a throat which is a pipe arranged inside the tank and connected to the supply port on one end side,
• wherein the throat includes
• an inlet port portion which causes water jetted by the jet nozzle and water inside the tank to be drawn by the jetted water to flow therein,
• a straight pipe portion which is formed so as to extend on a straight line from the inlet port portion along a jet direction of the jet nozzle,
• a bending portion which is a part on a further downstream side than the straight pipe portion and is formed so as to bend, and
• an outlet port portion which is a part connected to the supply port and causes water passing through the straight pipe portion and the bending portion to flow out to the supply port, and
• wherein the straight pipe portion is arranged in a state where a center axis thereof inclines with respect to a front-back direction of the tank when viewed from an upper side.