Flush toilet

A flush toilet that washes a toilet body with a washing water,

• wherein the toilet body includes:
• a bowl part that receives a waste;
• a drainage water trap that is connected to a bottom of the bowl part;
• a jet water spout port that spouts a washing water from a front side of the drainage water trap toward the drainage water trap;
• and
• a discharge port that is connected to the drainage water trap and discharges a waste from the toilet body,
• wherein the drainage water trap includes:
• a rising pipe line that is connected to the bowl part;
• a curved pipe line that includes a rising curved part that is connected to the rising pipe line and rises toward a back side thereof and a falling curved part that falls from the rising curved part toward a back side thereof;
• and
• a falling pipe line that is connected to the curved pipe line,
• wherein the drainage water trap includes a swelled part that forms a space that is swelled toward a back side thereof and is continuous with the discharge port, on a downstream side of a curved top part of the curved pipe line.