First prepare a small hammer and a set of gloves, then disassemble the packaged trash can, find the installation part of the expansion screw and the bottom expansion screw of the fitting, place it on the concrete floor, and use the small hammer to push the expansion screw into the cement. Ground, fix it to enhance stability and anti-theft. 2. Precautions Be sure to add the gasket when installing. The trash can must be fixed on the concrete floor, and each part is fixed. Do not fix only one position.