Embodiments of the disclosure disclose a consensus method of a consortium blockchain, and a consortium blockchain system. The method includes: dividing, by a primary consensus node, proposed data subject to consensus into data blocks corresponding to backup consensus nodes based on the erasure coding (EC) technology, where the data blocks obtained by dividing the proposed data correspond to hash values calculated based on the EC technology; sending, by the primary consensus node, the data blocks obtained by dividing the proposed data to the corresponding backup consensus nodes; forwarding, by a backup consensus node that received a data block sent by the primary consensus nodes, the data block to one or more other backup consensus nodes; initiating, by the primary consensus nodes, a consensus of the proposed data based on a Practical Byzantine Fault Tolerance (PBFT) protocol, to send a hash value of the data block obtained by dividing the proposed data to the backup consensus node via a PBFT protocol message; and performing, by the backup consensus node, based on the hash value of the data block in the PBFT protocol message, a verification on the data block obtained by dividing the proposed data, to execute a consensus logic of the PBFT protocol on successfully verified proposed data.
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