A lock module, adapted to a centrifuge device, wherein the centrifuge device comprises a base and a rotation platform, the rotation platform is disposed on the base and is adapted to support a rotor of a centrifugal bowl, and the rotor is rotatably connected to a stator of the centrifugal bowl, the lock module comprising: a main body, disposed on the base; a lock assembly, movably connected to the main body and located above a rotation platform of the centrifuge device, wherein the lock assembly is adapted to be operated to a first state relative to the main body to position the stator, and the lock assembly is adapted to be operated to a second state relative to the main body to be separated from the stator; and a positioning component, movably connected to the main body, wherein the positioning component is adapted to move to a first position relative to the main body to position the lock assembly to the first state, and the positioning component is adapted to move to a second position relative to the main body to release the lock assembly, wherein the lock module is characterized in that: the lock assembly has a positioning hole and a sliding groove connected to each other, the positioning component comprises a positioning section and a non-positioning section, an outer diameter (d1, d2) of the positioning section is greater than a width of the sliding groove, and an outer diameter (d1, d2) of the non-positioning section is less than the width of the sliding groove, when the lock assembly is in the first state and the positioning component is located at the first position, the positioning component penetrates the positioning hole and at least part of the positioning section is located in the positioning hole to position the lock assembly, and when the positioning component moves to the second position along an axial direction of the positioning hole for the positioning section to move apart from the positioning hole, the non-positioning section located in the positioning hole is adapted to move to the sliding groove relative to the lock assembly. a main body, disposed on the base; a lock assembly, movably connected to the main body and located above a rotation platform of the centrifuge device, wherein the lock assembly is adapted to be operated to a first state relative to the main body to position the stator, and the lock assembly is adapted to be operated to a second state relative to the main body to be separated from the stator; and a positioning component, movably connected to the main body, wherein the positioning component is adapted to move to a first position relative to the main body to position the lock assembly to the first state, and the positioning component is adapted to move to a second position relative to the main body to release the lock assembly, wherein the lock module is characterized in that: the lock assembly has a positioning hole and a sliding groove connected to each other, the positioning component comprises a positioning section and a non-positioning section, an outer diameter (d1, d2) of the positioning section is greater than a width of the sliding groove, and an outer diameter (d1, d2) of the non-positioning section is less than the width of the sliding groove, when the lock assembly is in the first state and the positioning component is located at the first position, the positioning component penetrates the positioning hole and at least part of the positioning section is located in the positioning hole to position the lock assembly, and when the positioning component moves to the second position along an axial direction of the positioning hole for the positioning section to move apart from the positioning hole, the non-positioning section located in the positioning hole is adapted to move to the sliding groove relative to the lock assembly. the lock assembly has a positioning hole and a sliding groove connected to each other, the positioning component comprises a positioning section and a non-positioning section, an outer diameter (d1, d2) of the positioning section is greater than a width of the sliding groove, and an outer diameter (d1, d2) of the non-positioning section is less than the width of the sliding groove, when the lock assembly is in the first state and the positioning component is located at the first position, the positioning component penetrates the positioning hole and at least part of the positioning section is located in the positioning hole to position the lock assembly, and when the positioning component moves to the second position along an axial direction of the positioning hole for the positioning section to move apart from the positioning hole, the non-positioning section located in the positioning hole is adapted to move to the sliding groove relative to the lock assembly.