The rapid spread of COVID-19 in 2020 has caused a global pandemic. Humans have changed their normal life and operation mode. This wave of epidemic has not slowed down but continued to heat up. It has rapidly spread to many countries around the world and has gradually become a global pandemic. One of the most fatal epidemics in human history. Before the COVID-19 epidemic masks have not been an option for commuters in Taiwan. A small number of people who take public transportation or motorcycles will wear masks. When the epidemic broke out, wearing masks has become a necessity for everyone. In addition to the filtering and defense functions the protective masks are currently trending towards diversification in appearance and shape but due to styling there may be differences in face matching. Although the engineering production has been divided into adult and child sizes it still does not fit Taiwan in terms of tightness. For women’s faces the leakage of respirators will reduce their functionality. In addition to diversified shapes and colors the tightness still needs to be improved to better suit the facial shapes of Taiwanese women. The current 17.5 cm general flat masks on the market are combined. It is not completely suitable for all female face shapes. Research and testing have found that as long as the curvature of the mask is adjusted slightly it will be more suitable for women's face shape which will improve the fit between the mask and the side of the face and increase the defense function. It is recommended to wear a general or wave-shaped mask for a round face. Inverted triangle face is recommended to wear inner arc mask egg face is recommended to wear inner difference mask square face is recommended to wear inner difference mask rectangular face is recommended to wear wave mask.improve the fit between the mask and the sides of the face and increase the defensive function. It is recommended to wear a general or wave-shaped mask for a round face and for an inverted triangle face. For inner arc masks egg face masks are recommended to wear inner difference masks square faces are recommended to wear inner-insrt masks and rectangular faces are recommended to wear wave masks.
