A paper money transmission and storage device with locking mechanism in financial equipment comprises a paper money transmission channel (1) and a cashbox set (2) for storing paper money, wherein the cashbox set (2) is mounted in a cashbox set bracket (21) which is a box of which one side is covered by the overturned paper money transmission channel(1). An end of the paper money transmission channel (1) is pivoted to a side wall (212) of the cashbox set bracket (21). A locking mechanism (3) arranged on an end of the paper money transmission channel (1) opposite to the pivoted end, comprises: a fixed bracket (31) which is fixed on the end of the paper money transmission channel (1) for mounting and supporting parts required for locking; a long-distance locking part which comprises a rotation shaft (32) across the two opposite end faces of the fixed bracket (31), and a locking hook (33) fixed to the two ends of the rotation shaft (32), wherein the locking hook (33) is connected with a locking pole (2121) arrang
