OutlineStandardcosmologyIndirectdetectionofdarkmatter--GammaraysDarkmatterdetectionatYBJChina-ItalyARGOhallforRPCTheLHAASOprojectFluxoftheannihilationproductsGCandSubhalosforindirectdetectionPossibilitiesofDMdetectionatYBJARGOconstraintsonDMannihilationLHAASOvsFermi@localgroupg-raysfromthesubhalos–largeF.O.V,highsensitivity,highdutycircle(compareFermi,HESS)SensitivitiesofLHAASOandFermionsubhalodetectionDiffusegammaraysatLHAASOAnomalouscosmicelectron/positronspectrumatPAMELA、ATIC、FermiDifferentmodelscanworkwellWerecalculatedthediffusegammarayspectrumaccordingtotheFermi/ATICelectronspectrum,fordifferenttheoreticalmodelstoexplaintheanomalouselectronspectrumCrabflares(~3Fcrabover~1yr)VariabilityofCrabNebulagammarayfluxVariabilityofCrabNebulagammarayfluxConclusionThanks!