Abstract: Problems of agriculture machinery technology extension were discussed based on field survey and interview method in Guang′an city.Results showed that agricultural technology extension existed administration system uncoordinated，insufficient funds，promotion personnel quality low，and so on.The improved measure was put forward，including built agriculture machinery promotion system，increase propagandst strength，improve the promotion method，increase capital，improve the professional quality，and so on.Theoretical support was provided for agricultural technology extension of Guang′an city.