1. Floor drain: Stainless steel floor drains should be chosen. Stainless steel floor drains with anti-odor functions are more practical and can effectively prevent the problem of unpleasant odors in the bathroom during humid weather, creating a good home living environment.

Ii. Ceiling: Materials with waterproof, anti-corrosion and anti-rust features should be selected.

Iii. Floor: Before laying floor tiles, it is essential to ensure proper waterproofing. After the tiles are laid, it is necessary to ensure that the tile surface has a drainage slope, with the slope facing the floor drain.

4. Wall Surface: The tiles on the wall surface should also be well protected from moisture and water. When tiling, ensure the surface is flat and that the tiles are in alignment with the floor tiles to maintain a sense of unity between the wall and the floor.

V. Ventilation and Air Exchange: The bathroom must be equipped with an exhaust fan, and the exhaust fan must be fitted with a reverse valve to prevent the backflow of stale air.

Vi. Circuit Laying: The connection points of the wires in the bathroom must be tinned, and waterproof tape and insulating tape should be wrapped successively to ensure safety. The wire body must be covered with flame-retardant tubes. All switches and sockets must have moisture-proof boxes.

Vii. Installation of Sanitary Ware: It is best to mark the distance of the drainage holes before the decoration and select the bathtubs, bathrooms, sensor urinals, washbasins and other sanitary ware according to the size to avoid inappropriate dimensions during the decoration.

Viii. Doors and Windows: It is best for the bathroom to have Windows to facilitate ventilation. To prevent water from overflowing in the bathroom, the door edge should be slightly higher than the inner side of the bathroom.