The utility model provides an adjustable nozzle tip, include: case, control assembly and regulation pole, wherein, the case includes: glib cover, sleeve and glib body, glib cover the sleeve reaches glib body all is the hollow tube column structure, wherein, the sleeve is located in the glib cover, and fix the bottom of glib cover, glib body is located in the sleeve, and slide in the sleeve and setup, the one end of glib body with it connects to adjust the first end of pole, first liquid hole has been seted up to one side of the other end of glib body, one side of glib cover has been seted upthe second and has been gone out the liquid hole, the second go out the liquid hole site in on the sleeve, control assembly with adjust the second end of pole and connect, be used for through adjust the pole, control glib body is in slide in the sleeve. The utility model discloses avoided changing the glib operation that brings owing to need the glib size of adjustment.