Purifying respirator with "Tiny Cooling Fan", the intake fan design allows filtered air into the mask continued to address the common problem of poor breathing masks. External replaceable casing can be freely customized according to user preferences, to meet different aesthetic crowd. "Tiny Cooling Fan" at the top of the mask slightly tapered design, fully taking into account the large number of glasses of the user's needs, to solve the traditional masks and glasses interference problems. Overall design is sleek, compact structure arranged so that the mask shape compact and lightweight, can be replaced "Tiny Cooling Fan" shell section can be freely customized according to user preferences, all kinds of people to meet the aesthetic. Hair band part is no margin adjustment exposed structure, looks neater.