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Inspired by the newly observed $\Omega_c^0$ states at LHCb, we decode theirproperties by performing an analysis of mass spectrum and decay behavior. Ourstudies show that the five narrow states, i.e., $\Omega_c(3000)^0$,$\Omega_c(3050)^0$, $\Omega_c(3066)^0$, $\Omega_c(3090)^0$, and$\Omega_c(3119)^0$, could be grouped into the $1P$ states with negative parity.Among them, the $\Omega_c(3000)^0$ and $\Omega_c(3090)^0$ states could be the$J^P=1/2^-$ candidates, while $\Omega_c(3050)^0$ and $\Omega_c(3119)^0$ aresuggested as the $J^P=3/2^-$ states. $\Omega_c(3066)^0$ could be regarded as a$J^P=5/2^-$ state. Since the the spin-parity, the electromagnetic transitions,and the possible hadronic decay channels $\Omega_c^{(\ast)}\pi$ have not beenmeasured yet, other explanations are also probable for these narrow$\Omega_c^0$ states. Additionally, we discuss the possibility of the broadstructure $\Omega_c(3188)^0$ as a $2S$ state with $J^P=1/2^+$ or $J^P=3/2^+$.In our scheme, $\Omega_c(3119)^0$ cannot be a $2S$ candidate.

New $\Omega_c^0$ baryons discovered by LHCb as the members of $1P$ and $2S$ states