The new type portable breathing device includes a cover body with at least one belt on both sides, the inner side and the front end face of the cover body protruding forward together, and the cover body is covered at the mouth and nose of the human body, and the circumference of the cover body is in corresponding contact with the face, and the cover body is provided with at least one perforation and one hollow part.An air intake unit is provided with a hollow shell, a control element, a fan and at least a battery, the control element, the fan and the battery are contained in the shell, the control element is electrically connected with the fan and the battery respectively, and the shell system of the air intake unit is penetrated in the hole.And a filter unit having at least one filter cotton and a filter screen combined with the filter cotton, which is arranged on one side of the fan.本新型隨身型呼吸裝置，其包括：一罩體，其兩側分別設有至少一帶體，該罩體的內側及前端面共同朝前凸出，並以罩體罩於人體之口、鼻部，且該罩體周緣與臉部對應接觸，該罩體上設有至少一穿孔及一鏤空部。一進氣單元，其係具有一鏤空之殼體、一控制元件、一風扇及至少一電池，該控制元件、該風扇及該電池係容設於該殼體內，該控制元件分別與該風扇及該電池電性連接，該進氣單元之殼體係穿設於該穿孔。以及一過濾單元，其係具有至少一過濾棉及一與該過濾棉結合之過濾網，該過濾單元係設於該風扇的一側。
