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The possible Jahn-Teller distorted structures of (AgBr)3+ were obtained by the analysis of the interaction of electron and nuclear vibration, and those structures were further optimized by B3P86 method with relativistic effective core potential(RECP) basis set CEP-31G for Ag and 6-31g basis set for Br.The most stable structure of (AgBr)3+ was a planar quadrangle with C2v symmetry.The possible electronic states for those distorted structure were also performed by the resolution of group representations.The calculated electronic states were agreed with the results of group theory.For the most stable isomer of (AgBr)+3, the chemical interaction was ionic bond with strong covalent character, the excited charge from Ag and Br atoms were also calculated.