The invention provides an OTA upgrading packet configuring method and apparatus. The method includes the steps of receiving a version detection request which is sent by the terminal device and includes the version number of the current version of a terminal device, and obtaining OTA upgrade package sets with same number of largest chains from at least one OTA upgrade package according to the version number of the current version, when number of the OTA upgrade packages required when upgrading from the current version of the terminal device to the latest version of the server is greater than the preset maximum chain length, wherein all OTA upgrade packages in the OTA upgrade package sets are continuous. Download paths of each OTA upgrade packages in the OTA upgrade package sets are sent to terminal equipment. When the current version of the terminal device is low and the latest version of the server is high, some OTA upgrade packages can be obtained from the server firstly to prevent upgrade failure due to excessive long waiting time for obtaining all OTA upgrade packages in one-time. The user experience is improved, and the risk of upgrading failure can be reduced.