Ultra clean workbench is an important equipment used in biology teaching and laboratory to provide a sterile operating environment. It can form a sterile and clean working surface in the work area through an internal filtration system and airflow control, effectively preventing microbial contamination. In biology teaching, ultra clean workbenches can be used for experiments such as microbial culture, cell culture, and sterile operation training. Students can learn the importance and operation methods of aseptic technology, understand the impact of microbial contamination on experimental results, and how to correctly use laboratory equipment by conducting experimental operations on the ultra clean workbench.