The invention discloses a high-speed rail LTE-R locomotive integrated wireless communication device, which includes an integrated main control / interface unit, and the output end of the main control / interface unit is electrically connected with a power supply unit, a recording unit, and an LTE-R communication device. Module, GSM‑R communication module, 450MHz wireless communication module and satellite receiving module, the LTE‑R communication module, GSM‑R communication module, 450MHz wireless communication module and satellite receiving module are all electrically connected to the antenna feeder unit, the The output end of the main control / interface unit is also electrically connected to an MMI unit, and the MMI unit is electrically connected to a printing unit and a display unit. The invention adopts large-scale integrated circuit and embedded software processing technology to construct locomotive comprehensive wireless communication equipment, realizes the integration of three communication modes of LTE-R, GSM-R and 450MHz digital-analog compatibility, and meets the special needs of smooth transition of various communication modes of railways. Based on the aggregated bandwidth technology of LTE, the LTE‑R (TDD) wireless transmission channel is constructed in the 450MHz frequency band to extend the coverage distance of the base station.