A continuous positive airway breathing apparatus includes a base, a rotating base, an intake pipe and an exhalation pipe; the rotating base is pivotally disposed in the base, and an extension of the rotating base passes through the base An opening of the seat is located outside the base; the intake pipe and the exhalation pipe are connected to the base; wherein the intake pipe and an intake passage of the rotary seat form an intake path, the rotation An exhalation channel of the seat and the exhalation tube can form an exhalation path; the base has a pair of first positioning portions, the rotating seat has a pair of second positioning portions, each of the first positioning portions and each of the second positioning portions The portion can form a plurality of positioning points so that the extension of the rotating seat can be positioned at different angles of use to suit patients of different ages.一種持續性呼吸道正壓呼吸裝置,包括一基座、一旋轉座、一進氣管及一呼氣管;該旋轉座樞設於該基座內,該旋轉座的一延伸部穿過該基座的一開口而位於該基座的外側;該進氣管與該呼氣管連接於該基座;其中該進氣管與該旋轉座的一進氣通道可形成一進氣路徑,該旋轉座的一呼氣通道與該呼氣管可形成一呼氣路徑;該基座具有一對第一定位部,該旋轉座具有一對第二定位部,各第一定位部與各第二定位部可形成複數定位點,使該旋轉座的延伸部可被定位在不同的使用角度,以適用於不同年齡層的病患。