Portable knapsack bag-belt

The utility model relates to a bag-carrying device for a traveler, in particular to a portable backpack band, which aims at eliminating the trouble of carrying a bag for a traveller in travel. Objects such as the bag can be binded with a backpack band and carried on the back, which favors walk without the hurt of a shoulder and is very converient to carry. The portable backpack band is composed of a band net (3), an object-loading band (2), an object-binding band (4) and an object-lifting band (1). The band net (3) is a main framework. Two object-loading bands (2) are arranged in front of the band net (3), and the two object-binding bands (4) are arranged behind the band net (3). The object-lifting band (1) is arranged on the band net (3). The portable backpack band used to carry objects such as a bag is firm, secure, comfortable, beautiful, portable and suitable for the traveler.