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The newly confirmed pentaquark state $P_c(4312)$ has been treated as a weaklybound $(\Sigma_c\bar{D})$ state by a well-established chiral constituent quarkmodel and by a dynamical calculation on quark degrees of freedom where thequark exchange effect is accounted for. The obtained mass $4308$ MeV agreeswith data. In this work, the selected strong decays of the $P_c(4312)$ stateare studied with the obtained wave function. It is shown that the width of the$\Lambda_c\bar{D}^*$ decay is overwhelmed and the branching ratios of the$p\,\eta_c$ and $p\,J/\psi$ decays are both less than 1 percentage.

Selected strong decays of pentaquark State $P_c(4312)$ in a chiral constituent quark model