The product centers on the national guidelines for smart city construction, the toilet revolution, and the dual carbon goals, addressing the current pain points of drainage and sewage discharge in public restrooms.A public restroom that does not require water or electricity connection, is smartly monitored, green, technological and intelligent.Managers can monitor the operation of equipment through the cloud platform to promptly carry out maintenance matters such as waste clearance, consumable addition, hygiene and safety monitoring.By using green design, the products can be integrated into the atmosphere of a green city, making them more life-like.The product is equipped with a photovoltaic energy storage system and a 40kW·h energy storage battery, which can achieve self-sufficiency in electricity. The product is equipped with an underground integrated sewage and feces circulation treatment tank, which effectively treats the generated black water and yellow water, achieving reclaimed water reuse and zero discharge of recycled water. This not only saves water resources but also greatly reduces the cost of municipal sewage treatment and the construction cost of water supply and drainage pipelines, and enhances the treatment efficiency.