Vehicle OTA upgrading method and system, vehicle network terminal, HMI terminal and storage medium

The invention discloses a vehicle OTA upgrading method and system, a vehicle network terminal, an HMI terminal and a storage medium, the method is applied to the vehicle network terminal, and the method comprises the steps that after the vehicle network terminal is powered on, an upgrading notification instruction is sent to the HMI terminal, and the upgrading notification instruction is used for instructing the HMI terminal to obtain vehicle information; receiving in-vehicle information sent by the HMI terminal, and obtaining an OTA upgrade package from the remote server according to the in-vehicle information; the OTA upgrade package is sent to the HMI terminal, so that the HMI terminal is upgraded according to the OTA upgrade package; and receiving an upgrading result fed back by the HMI terminal, and uploading the upgrading result to the remote server. According to the method, the Internet of Vehicles terminal obtains the OTA upgrade package from the remote server according to the vehicle information and