Block chain network-based bill verification method and apparatus, and storage medium

The embodiment of the invention discloses a bill verification method and device based on a block chain network and a storage medium. The method comprises the steps that a bill verification request sent by terminal equipment is acquired, the bill verification request carries first bill information of a to-be-reimbursed bill, and the first bill information is obtained by scanning a graphic code of the to-be-reimbursed bill by the terminal equipment; the second bill information of an on-chain bill corresponding to the bill to be reimbursed is queried from a blockchain of a blockchain network according to the first bill information; and if the first bill information is matched with the second bill information, the second bill information of the on-chain bill is sent to the terminal device, andthe second bill information of the on-chain bill is used for verifying the bill to be reimbursed. Through the implementation mode, the authenticity of the bill can be automatically and intelligentlyverified, and the credibil