Cloud mobile phone application fault detection and recovery system and method

The invention discloses a cloud mobile phone application fault detection and recovery system and method, and the system comprises a cloud mobile phone which is used for collecting the installation information of a pre-installed APP on the cloud mobile phone, and reporting the collected installation information of the pre-installed APP to a cloud server; receiving an APP installation file of an expected version and an installation instruction pushed by the cloud server, and executing an installation task according to the installation instruction; and the cloud server side is used for receiving the installation information of the latest pre-installed APP reported by the cloud mobile phone, judging whether the version of the pre-installed APP is abnormal according to the installation information of the pre-installed APP, if the version of the pre-installed APP is judged to be abnormal, organizing an installation file and an installation command of a corresponding expected version APP, and pushing the installatio