The invention discloses a tap with a fluid pressure regulation and control function. The tap comprises a first water outlet pipe, a second water outlet pipe and a water outlet tap, wherein both of thefirst water outlet pipe and the second water outlet pipe are round columnar pipe bodies; the first water outlet pipe movably sleeves the second water outlet pipe; the external diameter of the secondwater outlet pipe is smaller than the internal diameter of the first water outlet pipe; a water accommodating cavity is formed between the second water outlet pipe and the first water outlet pipe; thefirst water outlet pipe and the second water outlet pipe are coaxially arranged; the second water outlet pipe can move along the central axis of the first water outlet pipe in the first water outletpipe; the water outlet tap is connected with a water outlet end of the second water outlet pipe; a limiting device is arranged between the first water outlet pipe and the second water outlet pipe andused for preventing the second water outlet pipe from being separated from the first water outlet pipe; when the second water outlet pipe moves in the first water outlet pipe to the limiting device, the first water outlet pipe and the second water outlet pipe are connected; and a connection mouth V is arranged on the excircle surface of the first water outlet pipe and connected with the inner chamber of the first water outlet pipe and is close to a water outlet end of the first water outlet pipe.