The choked person is conscious and can cough up on his or her own. If the effect is not good, use the Heimlich method: that is, have someone else hold the choked person from behind, let his hands placed on the choked person below the thorax above the navel, followed by vigorous squeezing of the abdomen in the direction of the head, repeat several times until the foreign body is spit out. The choked person is unconscious, you can let the choked person lie flat on the bed or sofa, the rescuer with both hands flat in the choked person’s thorax under the navel above the part, with the root of the palm of the hand forcefully and quickly to the choked person’s head direction to squeeze the abdomen, repeated several times, until the choked object from the back of the choked person’s mouth spit out. Self-rescue methods, first of all to find and abdominal flush objects at home or elsewhere, such as chairs, dining tables, etc., the abdomen placed on the back of the chair, while starting to do rapid squeezing action, head down feet up body, half leaning on the back of the chair, the chair must be fixed, not able to move, mobile can not achieve the effect, do stretching exercise repeated several times, until the choking object is spit out.