Internet of Things gateway identity authentication method and system based on alliance chain

The embodiment of the invention discloses an Internet of Things gateway identity authentication method and system based on an alliance chain. The Internet of Things gateway identity authentication method based on the alliance chain comprises the steps that a first identity authentication request is sent to an authentication platform end, and the authentication platform end is used for inquiring the alliance chain on an alliance chain network end according to the first identity authentication request and determining identity information and a public key of Internet of Things gateway equipment; sending a first identity authentication response to the gateway equipment end; when it is determined that the first identity authentication succeeds based on the first identity authentication response, the public key is used for uploading the device data to an alliance chain, and the alliance chain is used for determining the trust degree of the Internet of Things gateway device according to the device data and conductin