Mainstream economists think impartiality distribute of income and economy growth is negative correlation because impartiality may damage efficiency and reduce capital accumulation rate. But partiality distribute of income of our country mainly root in the factors such as monopoly rising of government intervene economy, prediction of a person's luck in a given year of nation owned capital and irrational door roll system except efficiency. If clear up these factors, it will increase impartiality and enhance economy efficiency, and then promote economy growth. So impartiality and economy growth is positive correlation in our country. And we must increase impartiality degree of income distribute to promote persist growth of our country's economy.