Abstract: The invention relates to a water-containing structure of a faucet control valve, wherein a hollow chamber is set inside the body of a faucet, the hollow chamber is separated into an upper section with a water control chamber and a lower section as a space for placing tubes by a spacing flange set in the middle section of the hollow chamber, a control valve is placed inside the water control chamber, a bottom board is set in the bottom side of the control valve, at least an inlet column, an outlet hole and an outlet channel are set above the bottom board, a pilot hole is set on the inlet column for fastening the pass-through connector of the inlet tube, and the end is inserted into the pilot hole of the inlet column; to thereby effectively achieve the purpose of quickly assembling, simplifying the process and reducing material costs.