To provide a hot/cold combination faucet, excellent in maintainability with a spout quantity adjusting mechanism, capable of improving the water saving effect by minutely adjusting the quantity of water spouted by one operation of a self-closing handle and significantly improving the work load by simplifying the adjusting process to allow anyone to adjust the quantity of spouted water.

The self-closing hot/cold combination faucet comprises a operating part for operating the water spout from the faucet and a self-closing mechanism part for automatically stopping water after the operating part is operated. The self-closing hot/cold combination faucet also has a flow regulating screw for regulating the quantity of water spouted by one operation of the self-closing control part disposed inside the self-closing mechanism.