Vertical laminar flow clean bed, (laminar flow clean isolation aseptic device)? This device is also known as vertical laminar flow clean bed. In order to improve the local area air cleanliness level and design of a top send side escape one-way flow type air purification equipment. It skillfully combines various forms of brackets with various types of purification units to form purification medical equipment with many advantages such as high cleanliness, flexible combination, reliable operation, low energy consumption, easy assembly and use. It utilizes vertical laminar flow clean air supply form, which effectively achieves the effect of physical isolation. It is especially suitable for blood patients, burn patients, respiratory diseases and chemotherapy and other patients with low immunity. By placing the beds in the general ward and configuring this isolation device, a sterile environment is formed, which effectively reduces the incidence of infection in patients.