Objectives：The Zhawulong granitic pegmatite type rare metal deposit is located in Zhawulong, Shiqu County, Western Sichuan Province. There is a close spacial and genetic relations between the exposed muscovite granite pluton and the pegmatite veins containing rare metals. But no report on geochemical characteristics about muscovite granite.Methods:Based on the field work, through the microscope observation, the whole-rock geochemical analysis. Results:The Zhawulong muscovite granite has high contents of SiO2(73.49%～74.78% ) and Al2O3(14.37%～14.83%), is riched in potassium (K2O/Na2O=1.14～1.91), low in Fe, Mg and Ti. And the granite has high Aluminum saturation index and Al2O3/TiO2 ratio (>100), and its Rittmann Index(σ)<3.3. Trace elements in the granite show positive anomalies for Rb, U and negative anomalies for Ba, Sr, Zr, Ti. The total amount of REE in the Zhawulong muscovite granite is low, which is characterized by obvious LREE enrichment and HREE loss, and has a "V" type valley shape because of the obvious negative Eu anomaly（σEu=0.36～0.53）. The muscovite granite has high Rb/Sr (2.08～6.51), Rb/Ba (1.53～3.26) and low CaO/Na2O (<0.3).Conclusions: The Zhawulong muscovite granite is high-K-alkalkine and strongly peraluminous series. It is formed by dehydration melting of the Triassic Xikang Group metapelite, and it is a product of the syn-collisional orogenic processes.The LCT type granitic pegmatite from Zhawulong, mainly formed by the gradual evolution of strongly peraluminous magma, which is fomed by partial melting of metapelite during the orogenic process.