Space products: The space hemostatic mask can be used in various injured places, and the material is soft and can be close to the injured place; there will be sponges around the shell to absorb excess blood stains; prevent blood stains from swimming in the space capsule; reduce external space The burden of suturing wounds allows astronauts to be safe in outer space; the specific operation method is like minimally invasive surgery on the ground; it is only because of the particularity of the space environment that it needs.