Regular cleaning: Use neutral cleaning agents or specialized disinfectants to clean the toilet seat regularly, and thoroughly clean it at least once a week.
Avoid using strong acid or alkali cleaning agents: These cleaning agents may cause damage to the toilet seat material, leading to discoloration.
Maintain bathroom ventilation: Good ventilation can prevent the growth of humid environments and reduce the accumulation of scale and bacteria.

Use natural cleaning agents such as white vinegar, baking soda, and toothpaste, which can effectively remove yellow spots while being gentle on the surface of the toilet seat.
Avoid long-term accumulation of water: Wipe off the water on the toilet lid in a timely manner to prevent the formation of scale.
Install water purifier: If the water quality is hard, you can consider installing a water purifier to reduce minerals and impurities in the water, and lower the possibility of scale formation.
Using toothpaste cleaning method: Apply some white toothpaste to the yellowing area, brush it slightly, and rinse it with clean water to effectively remove dirt and restore the original color.
Cleaning with white vinegar and baking soda: Mix white vinegar and baking soda in a 1:1 ratio to form a paste, apply it to the toilet seat, let it sit for 15-20 minutes, and then clean to remove stubborn stains.
Avoid using hard objects and heavy objects: Do not place hard objects or heavy objects on the toilet seat to avoid scratching the surface or causing cracking.
Proper use and maintenance: The toilet cover should be opened and closed gently to avoid direct collision with the water tank, leaving marks that may affect its appearance; Or it may lead to fracture.