The utility model provides a cowshed environment automatic control system, including the controller module, the first input of controller module and the output connection of humiture monitoring module, the second input of controller module and poisonous gas detection module's output connection, the third input of controller module and the output connection of infrared induction module, the first output of controller module and the input connection of display module, the second output of controller module and alarm module's input connection, the third output of controller module and the input connection of power drive module, the first output of power drive module and the input connection of ventilation module, the second output of power drive module and the input connection that sprays the module, controller pair of module humiture monitoring module, the data that poisonous gas detection module etc. Transmitted show and judge, it just reports to the police and drives the ventilation module to surpass the preset range, it handles to spray the pair of module environment, realize the automatic control of cowshed environment, health for the ox provides safeguard.