Choking to the windpipe first aid treatment can use the Heimlich method, Heimlich method has children Heimlich method, adult Heimlich method, etc.. 1. Children’s Heimlich method: the rescuer can kneel on the ground, pick up the child with face down, the child’s body leaning on the rescuer’s knee, the rescuer’s arm sticking to the child’s chest, pinching the child’s cheek, the other hand in the child’s shoulder blade at the shoot 5 times, the child will be turned into a face-up, head low feet high, if no foreign body is found, with the middle finger, forefinger, pressing the child’s nipple at the midpoint of two nipple line for 5 times, and repeat the above actions until the foreign body is spit out. Repeat until the foreign body is spit out. 2. Adult Heimlich’s method: the rescuer stands behind the patient, holding the patient’s waist with both hands, the rescuer makes a fist with one hand, puts the thumb under the patient’s thorax, the abdomen above the navel, and the other hand grasps the fist, and impacts it upward quickly, paying attention to not hammering the patient’s chest, and applying the force of the hand to extrude it, not with the force of the arm, and repeating the action to the discharge of the foreign body. The Heimlich maneuver can not replace the hospital’s formal diagnosis and treatment, no matter whether the rescue is successful or not should go to the hospital emergency room examination and treatment. If the foreign body in the trachea is relatively large and the patient is already experiencing respiratory distress, it is recommended that the patient go to the emergency department of the hospital immediately for bronchoscopic surgery to remove the foreign body.