Fan Ye, the editor of the Book of the Later Han, wrote that former generations of Chinese had never reached these far western regions, but that the report of Gan Ying revealed to the Chinese their lands, customs and products.
Fan Ye, pengarang Kitab Han Akhir, mengklaim bahwa generasi-generasi Tiongkok sebelumnya tak pernah mencapai wilayah-wilayah paling barat tersebut, sehingga laporan Gan Ying membongkar soal wilayah, adat istiadat dan produk mereka kepada Tiongkok.