Sand washing machines should be equipped with reliable protection devices, such as electrical operation issues. Protective devices should be set on exposed parts that are easily accessible to the human body. Clear warning signs should be provided on the error-prone parts of the sand washing machine to indicate the correct operation procedures. During manual operation, automatic cycle operation is not allowed, and protection devices such as overload, material bin shortage, and component wear should be installed. For the efficient production of sand washing equipment, it all boils down to the operators, and accidents should be avoided. Any accident is a significant loss for all parties involved. Users should master the correct operation process of the sand washing machine and pay attention to the operation procedures. Sometimes, accidents happen in the blink of an eye. By doing these things, you can ensure the smooth production of the sand washing machine.