A hose reeling structure for reeling a hose, the hose reeling structure comprising: a rear blocking component; a front blocking component corresponding in position to the rear blocking component; and a drum disposed between the rear blocking component and the front blocking component, characterized in that the rear blocking component has a first through hole and a retaining portion such that one end of a hose is penetratingly disposeable at the first through hole and capable to be hung on the retaining portion, and the other end of the hose is capable to be hung on the drum, the first through hole extending from a junction of the rear blocking component and the drum and penetrating the rear blocking component, the retaining portion extending from a side of the rear blocking component so as to face the drum; the rear blocking component further has a receiving space extending from a side of the rear blocking component to face the drum and sinking inward, with the first through hole being in communication with the receiving space, and an inner circumferential wall of the receiving space protrudes to form the retaining portion; the rear blocking component further comprises a limiting portion having an incurvated surface corresponding to the curvature and outer diameter of the hose and in communication with the first through hole, and a main segment of the hose is capable to be confined to the limiting portion and reeled on an outer circumferential wall of the drum; and in that the rear blocking component further has an engaging portion formed by protrusion of the inner circumferential wall of the receiving space of the rear blocking component and positioned proximate to the first through hole and the limiting portion, and the one end of the hose is engageable with the engaging portion. a rear blocking component; a front blocking component corresponding in position to the rear blocking component; and a drum disposed between the rear blocking component and the front blocking component, characterized in that the rear blocking component has a first through hole and a retaining portion such that one end of a hose is penetratingly disposeable at the first through hole and capable to be hung on the retaining portion, and the other end of the hose is capable to be hung on the drum, the first through hole extending from a junction of the rear blocking component and the drum and penetrating the rear blocking component, the retaining portion extending from a side of the rear blocking component so as to face the drum; the rear blocking component further has a receiving space extending from a side of the rear blocking component to face the drum and sinking inward, with the first through hole being in communication with the receiving space, and an inner circumferential wall of the receiving space protrudes to form the retaining portion; the rear blocking component further comprises a limiting portion having an incurvated surface corresponding to the curvature and outer diameter of the hose and in communication with the first through hole, and a main segment of the hose is capable to be confined to the limiting portion and reeled on an outer circumferential wall of the drum; and in that the rear blocking component further has an engaging portion formed by protrusion of the inner circumferential wall of the receiving space of the rear blocking component and positioned proximate to the first through hole and the limiting portion, and the one end of the hose is engageable with the engaging portion.