Portable breathing training device

The utility model provides a portable respiratory training device, and relates to the technical field of medical instruments. The portable respiratory training device comprises a training device assembly and a storage assembly. The trainer assembly comprises an air blowing pipe, a connecting cylinder and a plurality of air blowing cylinders which are sequentially communicated end to end, a floating ball is arranged in any air blowing cylinder, the connecting cylinder is connected with one air blowing cylinder, and the air blowing pipe is detachably connected to the air blowing cylinder. The storage assembly comprises a storage barrel and a sterilization unit arranged in the storage barrel, the storage barrel is of a barrel-shaped structure with an internal hollow cavity, the air blowing pipe can be embedded in the hollow cavity, and the sterilization unit is an ultraviolet lamp arranged in the hollow cavity. According to the portable respiratory training device, through the arrangement of the storage barrel a