The utility model discloses a toothpaste volume controllable intelligence toothbrush, including brush hair, brush head and toothbrush handle, the brush head is including pH value detector and vibrator, PH value detector is adorned admittedly and is being close to the brush hair on one side, and the brush hair is adorned at the first face of brush admittedly, the vibrator is adorned at the brush overheadly admittedly, the toothbrush handle is including the chamber of limiting the quantity of, cushion chamber and chamber lid, limit the quantity of chamber and cushion chamber coaxial fixed mounted, the chamber coaxial meshing of lid is installed at the cushion chamber lower extreme, be provided with pressure sensor at limit the quantity of chamber and cushion chamber coupling part, pressure sensor is connected with the control chip electricity, it is provided with timing indicator and liquid crystal display on the chamber to limit the quantity of, and the chamber of limiting the quantity of is provided with control chip and power supply unit, pour into toothpaste into cushion chamber and deposit, touch pressure sensor during the use, the toothpaste that the intracavity of limiting the quantity of was extruded in the chamber of limiting the quantity of is overhead to the brush, the utility model relates to a rationally, simple structure can observe the oral cavity healthy to limiting the quantity of and extruding toothpaste, effective help is correctly brushed teeth.