Never repair it if it can be intact, never replace it if it can be repaired! This is the principle of the small edition. If the fault can be eliminated in the daily life details (1) the dust stuck on the hair dryer should be removed frequently at ordinary times, and the shell should be wiped with a wet cloth to prevent blocking the air duct and damaging the components. Never use gasoline or other organic solvents. After wiping, it must be placed in a cool place to dry before use. Now, why not! Let me give you some tips!