The invention relates to a platform-based water outlet switching device. The platform-based water outlet switching device comprises a body, a key arranged on the side face of the body, a water passingmain piece arranged in the body, a switching assembly and a bubbler assembly arranged at one end of the body, the switching assembly comprises a push rod, a water distribution disc, a rotating disc,a gear ring, a supporting spring and a supporting rod, a plurality of water distribution gears are arranged on the surface of the water distribution disc, a water diversion opening is formed in the surface of the rotating disc, a plurality of propelling teeth are circumferentially arranged at the end part of the push rod, a plurality of guide teeth are circumferentially arranged in the gear ring,the number of the propelling teeth and the guide teeth is the same as that of the water diversion gears, guide grooves are formed between adjacent guide teeth, a transmission part matched with the gear ring is arranged on the surface of the rotating disc, and the key is driven by a driving assembly to drive the push rod to move in the axial direction of the push rod. According to the platform-based water outlet switching device, a water stopping part is arranged in the switching assembly, the problem of low-pressure water channeling can be effectively avoided, one-key control over a multifunctional product is achieved, the water outlet form can be switched according to the use requirement, and the platform-based water outlet switching device has good application and popularization value.