The invention provides an APP-based intelligent gas holder safe examination method and system thereof. The method includes the following steps: S1. an APP and a server establish a communication connection; S2. a homepage is entered with an account number and a password; S3. the homepage is provided with one or more function modules selected from the following function modules: security guard, operation supervision and setting; and S4. in the security guard function module, the APP performs examination on a gas holder intelligent control system in terms of various parameters; if the examination shows abnormality, solving measures are provided according to a predefined solution; and in the operation supervision function module, the APP displays real-time operating data of the various parameters in the form of a list or curve, the real-time operating data are compared with parameter health intervals set by an administrator, and if abnormal data exist, corresponding solving measures are provided for a user. The APP-based intelligent gas holder safe examination method assists the gas holder intelligent control system, can realize control of connection of videos and the operating data with a mobile phone client, and can enable a client to know the operating condition of a gas holder in time, thereby facilitating operation management.