The utility model provides a railcar control system based on distributed network module, front end driver operation panel has, rear end driver's operation panel, gearbox controller and engine control ware, still including the main control module, front end driver operation panel and rear end driver's operation panel all are connected with digital input module DI and analog input module AI electricity, digital input module DI and analog input module AI all are connected through MVB network bus and the main control module, the main control module is connected with digital output module DO and analog output module AO through MVB network bus again, digital output module DO and analog output module AO are connected with engine control ware electricity, the main control module passes through the CAN bus and is connected with gearbox controller and engine control ware. The utility model discloses a distributed network pair of module railcar is controlled, realizes railcar control system's diversification, modularization and networking, and control safe and reliable, vehicle stability is good.