The motif of the mural at the South-wall of cave 220 are accepted to be Amit?yurdhy?na-Sǔtra. By the study its presentation and combination of formation , this article questioning the settled consideration of motif for the south-side wall of cave 220 to be Amit yurdhy na-Sǔtra and offers a opinion that it is Amit yus-vhyǔha-Sǔtra rather than Amit yurdhy na-Sǔtra. Furthermore , there were a prevailing trend of presentation of the West Pure-land in the Mogao Grottoes of Dunhuang which present in the ways of combining two Sǔtras together to made the illustration rich , the formation patterns seems in three as following: the pattern of Amitabha-vyuha-Sǔtra with Amit yus-vhyǔha-Sǔtra or Amit yurdhy na-Sǔtra with Amit yus-vhyǔha-Sǔtra and Amit yus-vhyǔha-Sǔtra with Amit?yurdhy?na-Sǔtra.
