As an essential component of urban infrastructure, eco-friendly public toilets have, in recent years and driven by the principles of green development and technological innovation, undergone a profound transformation—from single‑function facilities to multifunctional ones, and from conventional models to smart, environmentally friendly systems—giving rise to numerous new trends in the sector.​

1. Green materials are gaining popularity, with environmental sustainability integrated throughout the entire product lifecycle.​

As environmental protection requirements continue to tighten, green materials are being increasingly applied in the construction of eco-friendly public toilets, with environmental principles integrated throughout the entire life cycle—from design and construction to operation. In material selection, an increasing number of eco-friendly public toilets are opting for recyclable and biodegradable green building materials, such as recycled plastics, bamboo–wood fiber panels, and environmentally friendly coatings. These materials not only reduce the consumption of natural resources but also lower carbon emissions throughout both the manufacturing and operational phases. For example, some companies have developed bamboo‑steel composite materials that combine the strength of steel with the environmental benefits of bamboo. These materials are used in the construction of public restroom walls and roofs, offering a service life of over 20 years and biodegrading naturally after disposal.​

在建造过程中，模块化建造技术得到推广，这种方式将公厕的各个部件在工厂预制生产，再运输到现场进行组装，不仅减少了现场施工的建筑垃圾和粉尘污染，还大幅缩短了建设周期，降低了对周边环境的影响。同时，环保公厕的运营也更加注重资源的循环利用，通过雨水收集系统收集雨水用于冲洗厕所，利用太阳能光伏板为公厕的照明和设备运行提供电力，实现了水资源和能源的自给自足。​

2. Deepening the application of smart technologies to enhance service and management efficiency.​

The deep integration of smart technologies has become a key highlight in the public toilet sector, significantly enhancing service quality and operational efficiency. Smart sensing systems have become standard in eco-friendly public restrooms, featuring automatic doors, automatic flush mechanisms, and touch‑free hand‑sanitizing dispensers. These technologies not only minimize hygiene risks associated with human contact but also help conserve water resources.​

Furthermore, the application of IoT technology has made public restroom management more intelligent. By installing sensors inside public restrooms, it is possible to monitor in real time environmental parameters such as temperature and humidity, ammonia concentration, and stall occupancy, and to transmit this data to a management platform. Through the platform, management personnel can promptly monitor the operational status of public restrooms. When equipment malfunctions occur or cleaning is required, they can swiftly dispatch staff to address the issue, thereby enhancing the timeliness and accuracy of facility management. Meanwhile, some cities have also launched public‑toilet‑navigation apps, enabling residents to use their smartphones to check the locations of nearby public restrooms, as well as real‑time occupancy and cleaning status, thereby making urban travel more convenient.​

3. Market demand is diversifying, and functional expansion has become a trend.​

随着人们对公共服务需求的不断升级，环保公厕的市场需求呈现出多元化的特点，功能拓展成为行业发展的重要趋势。除了基本的如厕功能外，越来越多的环保公厕开始融入便民服务功能，如设置共享雨伞、手机充电 station、急救药品箱等，为市民提供更多的便利。​

In tourist attractions, eco-friendly public toilets are designed with a strong emphasis on harmonizing with the surrounding environment; some even feature additional amenities such as rest areas and viewing platforms, making them a distinctive highlight of the scenic area. For example, an eco-friendly public restroom in a mountainous scenic area is designed in an antique architectural style that harmonizes with the surrounding natural landscape. Inside, a small exhibition space showcases local customs, culture, and introductions to nearby attractions, thereby not only meeting visitors’ restroom needs but also promoting the scenic area.​

At large-scale events, the demand for temporary eco-friendly public toilets surges. These facilities typically feature a modular, mobile design that facilitates transportation and installation, while also boasting robust wastewater-treatment capabilities. They can be rapidly deployed during the event and promptly dismantled afterward, leaving no environmental impact on the venue.​

4. Industry standards are being progressively refined, fostering standardized development.​

To promote the sound development of the eco-friendly public toilet sector, relevant industry standards are being progressively refined. In recent years, both the national and local governments have successively introduced a series of standards and specifications for the construction, operation, and maintenance of environmentally friendly public toilets, setting forth clear requirements regarding their environmental performance, hygiene standards, and level of smart‑technology integration.​

The introduction of these standards not only provides a basis for enterprises’ production and operations but also raises the industry’s entry threshold, helping to phase out outdated capacity and steering the sector toward greater standardization and higher quality. At the same time, the refinement of standards facilitates oversight and regulation by competent authorities over the construction and operation of eco-friendly public toilets, thereby safeguarding public safety and environmental rights.​

In summary, the eco-friendly public toilet industry is rapidly advancing toward green‑oriented, smart, and multifunctional solutions. With continuous technological innovation and evolving market demands, the sector is poised to unlock even greater growth prospects in the years ahead. Enterprises should seize opportunities, increase R&D investment, and continuously enhance the quality of their products and services to meet the new requirements of industry development.​