An integrated device for water streaming and spraying comprises a support base, a water inlet pipe mounted on the support base, a nozzle including an outer tube mounted on the water inlet pipe and an inner tube, an adjustment sleeve making sealing contact with the outer tube, and a position adjustment mechanism capable of adjusting a position of the adjustment sleeve along front and rear directions. The inner tube provided with a plurality of guide vanes is disposed in and protruding from the outer tube. A cavity of the inner tube is provided with a partition plate, the partition plate and an inner wall of the inner tube together encircle to form an opened diversion groove having a groove wall provided with at least one notch. The adjustment sleeve is disposed with a sealing plate having a water jet hole located right in front of the opened diversion groove.