Air-blowing micro cable

The invention belongs to the field of optical cables, and discloses an air-blowing micro cable, which is provided with an outer protective layer and a loose tube, and is characterized in that the outer protective layer is composed of an outer protective layer main body, a plurality of grooves and bulges are formed on the outer side of the outer protective layer main body along the circumference of the cable at intervals, and a through hole is formed in the outer protective layer main body corresponding to each groove in the axial direction; a plurality of grooves are formed in the outer protective layer body, a plurality of ventilation openings are formed in the portions, corresponding to the grooves, of the outer protective layer body, a wind catching component is arranged above each ventilation opening and is in a cat ear shape, the bottom edges of the wind catching components are all connected with the outer wall of the outer protective layer body, and the opening directions of the wind catching components