A connector module with a latch structure, comprising: a base comprising a housing; the housing having an accommodating space arranged therein, and the accommodating space having two sides arranged with a positioning member thereon respectively; a terminal block inserted into the accommodating space correspondingly; the terminal block comprising an insertion main body and a plurality of conductive terminals arranged on the insertion main body; and a pair of latch structures respectively arranged between the housing and the insertion main body; each one of the latch structures comprising a latch portion formed on the insertion main body and a locking member rotatably connected to the housing and formed on one side of the positioning member; the locking member having a locking portion configured to lock onto the latch portion correspondingly and at least one locking slot provided for the positioning member to be positioned thereon; characterised in that an inner side of the positioning member of the housing includes a pivotal attachment axle extended therefrom, the locking member further comprises a circular ring, the locking member is rotatably attached onto the pivotal attachment axle via the circular ring, the locking portion is configured to extend from a perimeter of the circular ring along a tangent line thereof and toward an upward direction, the locking slot further comprises a first locking slot and a second locking slot formed at the circular ring, the positioning member includes an insertion shaft formed thereon, and the insertion shaft is configured to be operably inserted into one of the first locking slot and the second locking slot correspondingly for positioning thereon, wherein the terminal block further comprises a pair of pull handles, and the pull handles are configured to moveably attach onto two corresponding sides of the insertion main body respectively. a base comprising a housing; the housing having an accommodating space arranged therein, and the accommodating space having two sides arranged with a positioning member thereon respectively; a terminal block inserted into the accommodating space correspondingly; the terminal block comprising an insertion main body and a plurality of conductive terminals arranged on the insertion main body; and a pair of latch structures respectively arranged between the housing and the insertion main body; each one of the latch structures comprising a latch portion formed on the insertion main body and a locking member rotatably connected to the housing and formed on one side of the positioning member; the locking member having a locking portion configured to lock onto the latch portion correspondingly and at least one locking slot provided for the positioning member to be positioned thereon; characterised in that an inner side of the positioning member of the housing includes a pivotal attachment axle extended therefrom, the locking member further comprises a circular ring, the locking member is rotatably attached onto the pivotal attachment axle via the circular ring, the locking portion is configured to extend from a perimeter of the circular ring along a tangent line thereof and toward an upward direction, the locking slot further comprises a first locking slot and a second locking slot formed at the circular ring, the positioning member includes an insertion shaft formed thereon, and the insertion shaft is configured to be operably inserted into one of the first locking slot and the second locking slot correspondingly for positioning thereon, wherein the terminal block further comprises a pair of pull handles, and the pull handles are configured to moveably attach onto two corresponding sides of the insertion main body respectively.