This automatic over-turn top cap capping machine is applied to plastic pressing cap (common PCO neck mineral water bottle cap, detergent bottle cap, cream or gel bottle cap, special top flip cap, sports cap), plastic bottle, PET bottle and glass bottle, it can ensure the tightness and at same time no scratch and harm and damage to the cap it self. It can be with the cap sorting and cap sterilizing system. The machine is automatically controlled it is equipped with sensor and PLC and can realize no bottle no capping, alarming when cap lacked.