Abstract:Six acceptance conditions C1—C6 ofω-FA were known SO far.To look for some new acceptance condition of ω-FA and to study the power of ω-FA that accept ω-lan- guage with respect to the acceptance condition is one of hcart problem in theory of ω-finite state automata. This paper presents two types new acceptance condition Z1 and Z2 of ω-FA.The authors investigate(1)the power of ω-U-NFA that accept ω-language with re-spect to Zi(i=1,2)and derive Nsc3∈Nsz2=Nsz1=Nsz1(2)the power ofω-NFA that ac.cept ω-language with respect to Zi(i=1,2)and obtain Nc1∈Nz1∈Nz2.Some analogue results are dorrect with ω-DFA.