A latch mechanism , used for latching a first member and a second member , the latch mechanism comprising: a first latch body , adapted to be disposed on the first member , including a first base , a first latch portion , and a first acting portion , wherein the first base is adapted to be coupled to the first member and the first latch portion is disposed between the first base and the first acting portion ; and a second latch body , adapted to be disposed on the second member , including a second base , a second latch portion , and a second acting portion , wherein the second base is adapted to be coupled to the second member and the first latch body is adapted to be disposed through the second base , the second acting portion is pivoted to the second base along an axis of rotation (A) and adapted to rotate along a rotational path (R), and the second latch portion is disposed on the rotational path (R) and limited to the first latch portion ; when the second acting portion is rotated, the second latch portion is driven by the second acting portion to move back and forth between an engaged position (P1) and a disengaged position (P2) to be engaged with or disengaged from the first latch portion ; wherein the second acting portion includes a first pushing structure and a second pushing structure , the first acting portion is disposed on the rotational path (R), and when the second acting portion is rotated along the rotational path (R), the second latch portion is pushed by the first pushing structure such that the second latch portion is moved from the engaged position (P1) to the disengaged position (P2), and then the first acting portion is pushed by the second pushing structure such that the first latch body is disengaged from the second latch body in a releasing direction (D1). a first latch body , adapted to be disposed on the first member , including a first base , a first latch portion , and a first acting portion , wherein the first base is adapted to be coupled to the first member and the first latch portion is disposed between the first base and the first acting portion ; and a second latch body , adapted to be disposed on the second member , including a second base , a second latch portion , and a second acting portion , wherein the second base is adapted to be coupled to the second member and the first latch body is adapted to be disposed through the second base , the second acting portion is pivoted to the second base along an axis of rotation (A) and adapted to rotate along a rotational path (R), and the second latch portion is disposed on the rotational path (R) and limited to the first latch portion ; when the second acting portion is rotated, the second latch portion is driven by the second acting portion to move back and forth between an engaged position (P1) and a disengaged position (P2) to be engaged with or disengaged from the first latch portion ; wherein the second acting portion includes a first pushing structure and a second pushing structure , the first acting portion is disposed on the rotational path (R), and when the second acting portion is rotated along the rotational path (R), the second latch portion is pushed by the first pushing structure such that the second latch portion is moved from the engaged position (P1) to the disengaged position (P2), and then the first acting portion is pushed by the second pushing structure such that the first latch body is disengaged from the second latch body in a releasing direction (D1). <EOS>