The utility model provides a credible wireless communication network selective system based on transformer substation is lukily professional, including microprocessor, cryptographic module, multiple selector, memory, wiFi module, LTE public network communication module and LTE private network communication module, microprocessor links to each other with cryptographic module, multiple selector, wiFi module and memory respectively, LTE public network communication module and LTE private network communication module all link to each other with the multiple selector. The wireless communication network selective system that this is credible can select LTE public network communication module or LTE private network communication module to carry out wireless network communication according to the switching of communication needs, makes the nimble switching of the communication mode of transformer substation, and has higher radio communication's credibility, and application prospect is better.