According to the requirements of GMP specifications, the design and installation of clean room should be considered to avoid the use of the parts that are not easy to clean. Therefore, when cleaning and decoration, cleaning air conditioning, doors and Windows installation and construction, all kinds of pipelines, lighting fittings should be sealed.

The ground is self-leveling. When decorating, attention should be paid to protect the completed working surface, and the plate sag, dark crack and surface decoration pollution should not be caused by impact, beating, trampling and water operation. Choose the material with good air tightness and small deformation under the action of temperature and humidity.

Doors, Windows and inner walls should be flat and straight, and the structure should fully consider the sealing of air and water vapor, so that pollution particles are not easy to penetrate from the outside, and prevent condensation due to the temperature difference between indoor and outdoor. The amount of dust in construction should be controlled, especially the hidden space such as the ceiling and the inside of the clamped wall, which must be cleaned at any time. In the room with HEPA filter installed, dust can not be carried out decoration work.