The invention relates to the technical field of multi-mechanical devices, in particular to a grounding wire anti-collision protection bag. The protection bag comprises a first cloth bag body and a second cloth bag body, the first cloth bag body and the second cloth bag body are mutually connected to form a cavity structure with an opening structure, the first cloth bag body and the second cloth bag body are double-layer canvas bags filled with anti-collision materials in the inner layers correspondingly, the surfaces of the first cloth bag body and the second cloth bag body are provided with velcro tape bodies for sealing the opening structure correspondingly, and the edges of the first cloth bag body and the second cloth bag body are provided with velcro tape connectors for being matchedwith the velcro tape bodies. According to the grounding wire anti-collision protection bag, good anti-collision protection for grounding wires can be provided through arrangement, and the service lifeof the grounding wires is prolonged.