In view of the increasing global hygiene & health events every year, apply the comprehensive antibacterial design concept into the product become the most important highlight. The core nozzle is equipped with self-cleaning materials and has multiple bactericidal functions. The main components such as cover plate, seating ring and ceramic bowl also use different bactericidal technologies. The continuously upgraded knob control integrates with the intuitive design concept, which is convenient and efficient. The unified ceramic platform can be matched with different cover plates. This design concept of sustainable development extends the product life cycle, and users only need to replace plastic cover plates after many years to realize the replacement of products.