The fast rolling shutter door is a barrier free isolation door which can open and drop quickly. Its main function is to quickly isolate and ensure the dust-free level of the air quality in the workshop. It has many functions, such as heat preservation, cold insulation, insect proof, wind proof, dust proof, sound insulation, fire prevention, peculiar smell prevention, daylighting, etc. It is widely used in electronic machinery, bioengineering, medical and health, food hygiene, fine chemical industry and other fields. It can meet the requirements of high-performance logistics and clean places, save energy, automatically close at high speed, improve operation efficiency and create a better working environment