The Awulale Mountains is an important polymetallic metallogenic belt in the Central Asian Orgenic Belt（CAOB）.Based on the major and trace element geochemical features, a suite of A-type aluminous rhyolite porphyries has been recognized in the Lower Permian Wulang Formation in the Qunjisayi and Taerdetao areas. The Qunjisayi and Taerdetao A-type rhyolite porphyries were probably derived from partial melting of the metagrewacks.The trace element features show that those rhyolite porphyries exhibit A2-subtype geochemical characteristics and were formed under post-collisional setting. The zirconium saturation temperature（T_Zr） of the rhyolites is ～900 ℃. Accordingly, the authors inferred that the formation of the Qunjisayi and Taerdetao A-type rhyolite porphyries were related to the post-subduction delamination of the thickened lithosphere.