Coin-Operated Mobile Toilets

Coin-operated mobile toilets have different applications domestically and abroad, driven by urbanization needs, but also face fee controversies and free alternatives.

Domestic Applications: From Controversy to Smart Development

Early cases of coin-operated mobile toilets in China date back to 2004. At that time, Hao Jinsong was charged 0.5 yuan for using a flush-free, eco-friendly, coin-operated mobile toilet at Tiananmen East Station on the Beijing Subway. He filed a lawsuit based on the National Development and Reform Commission's Document No. 398 (prohibiting toilet fees in public transportation areas), sparking a societal debate on the rationality of public toilet fees. This incident reflected early controversies over toilet fees due to factors such as management entities and policy enforcement.

As urbanization accelerates, a 2025 feasibility study on investment in mobile coin-operated toilet projects points out that traditional public toilets can no longer meet the demands of high-density populations, making mobile coin-operated toilets a solution due to their smart features and convenience. They employ technologies such as mobile payments and automatic sensors to enable unmanned operation, self-service coin insertion, and automatic flushing. Their compact size and flexible installation make them suitable for urban streets, commercial districts, tourist attractions, and other settings. The projects not only enhance urban image but also promote employment and drive related industries through maintenance and operation.

Overseas Applications: Common Fees with Free Alternatives

In Zurich, Switzerland, public toilet fees are common. Fixed or mobile toilets in central stations, squares, and other areas require 1-2 Swiss francs (CHF) per use, while those at popular attractions like Bahnhofstrasse and Lake Zurich also feature automated cleaning systems and charge fees. However, the city provides free alternatives through shopping malls, dining venues, and municipal facilities:

• Shopping malls and supermarkets: Toilets in chains like Coop and Migros are free, and the Manor mall on the fifth floor of Zurich Main Station has no purchase restrictions for toilet use;
• Dining venues: McDonald's (Central Station branch) and Starbucks require receipt passwords for toilet access, suggesting a 1.5 CHF coffee purchase to obtain the password;
• Municipal facilities: Municipal toilets on the east platform of Zurich Main Station and in Lindenhof Park are free during specific hours.

Toilet fee issues are more pronounced in other parts of Europe, with some toilets charging up to 9 yuan per use and only accepting coins or card payments, causing inconvenience for tourists.

Core Features and Controversy Focus

The core advantages of coin-operated mobile toilets lie in their flexible deployment and smart management, but controversies focus on fee rationality: domestic early cases reflect conflicts between policy enforcement and public needs, while overseas approaches balance convenience and economy through free alternatives. In the future, as technology becomes more widespread, mobile toilets may further integrate eco-friendly materials and energy-saving designs, extending to more scenarios.