A water dispenser is a convenient drinking water device that provides cold, hot, or room temperature drinking water, widely used in homes, offices, and public places. Modern water dispensers have intelligent temperature control, energy-saving and environmental protection, and multiple filtration functions to ensure safe and healthy water quality. Some high-end models also support UV sterilization and IoT control to enhance user experience. In terms of environment, water dispensers should be placed in ventilated, clean, and away from high temperatures and humidity, avoiding direct sunlight. Regularly clean and disinfect water tanks and pipelines to prevent bacterial growth. Choosing energy-saving water dispensers can reduce carbon emissions, while the design of recyclable materials can help reduce environmental pollution, which is in line with the concept of sustainable development.