This creation provides a kind of harness of structural improvement,Including a band structure,System include one first harness,One second harness and a skewing mechanism,Wherein first harness and second harness cross one another by the skewing mechanism； And a storage device,System include plural opening and closing part,Plural number opening and plural storage space,The plural number that wherein first harness of the band structure and second harness pass through the storage device is open,Wherein,The back of a pet is arranged in the band structure and the thorax abdomen of the pet is arranged in the storage device.本創作提供一種結構改良之背帶裝置，包括一背帶結構，係包括一第一背帶、一第二背帶及一交叉裝置，其中該第一背帶及該第二背帶藉由該交叉裝置互相交叉；以及一收納裝置，係包括複數開合部、複數開口及複數收納空間，其中該背帶結構之該第一背帶及該第二背帶穿過該收納裝置之該複數開口，其中，該背帶結構設置在一寵物的背部以及該收納裝置設置在該寵物的胸腹部。
