The 120 emergency number is widely known and is the number that people think of first and foremost when they encounter emergency medical needs, but there are many examples of delayed and aggravated conditions and wasted resources due to the wrong way of calling for help. This article combines the practice of emergency pre-hospital care to talk about how to correctly and quickly dial the 120 emergency number. Be calm and collected when you encounter a sudden emergency medical emergency. Do not panic, stay calm and find the phone quickly to dial 120 emergency alarm number to buy time for rescue. It is best to use a cell phone to call 120, preferably not a landline, and make sure the phone is in normal use, not in arrears. After confirming that the other party is the 120 center, say and tell the other party exactly where you are or where the sick or injured person is, as well as the contact number, and ask how long it will take for the other party to arrive, and if it takes longer than that, call 120 again to confirm. When reporting their location, it is best to use the following way to explain their location, “which two roads intersection in which direction how many meters in which side of what road, what district several buildings, several units, several floors and several (or what direction the entrance door facing)”, not recommended to use “which road how many It is not recommended to use the “which road how many yards” or “what district how many buildings how many” way to report the location, because in the dark clinic or the old district inside and other special circumstances, it is difficult to find the door number or building number. After dialing the phone, simply and clearly explain the situation of the injured patient, where the injury, the degree, the mental condition of the injured patient and other aspects, so that the 120 emergency center to prepare in advance to buy time for rescue. At the same time, after the medical personnel probably understand the patient’s situation, they can promptly instruct the patient or the patient’s family to carry out on-site self-help. After asking for help from the 120 center, please keep the reporting phone open, especially the reporting cell phone, it is better to leave an alternate phone contact with the 120 center; it is convenient for the medical personnel to contact and guide. During the call, do not hang up the phone in a hurry; hang up the phone only when you confirm that the 120 center or medical personnel have not asked. Be prepared for rescue. During the period of waiting for rescue after making a call, quickly organize and carry the clothes, supplies and money of the sick and injured. Clear the way for rescue and keep it unobstructed. If the place is remote and old neighborhood, it is best to go to the intersection, the entrance of the neighborhood or the location agreed with the medical staff, and send a person to wait for the pickup with a reporting phone. Once the ambulance arrives, the person will quickly guide the medical staff to the patient, in this case, the most time-saving. While waiting, clear the way for the patient and assist the emergency personnel to carry the patient. If the ambulance does not arrive for a long time, or if the ambulance does not contact you, call 120 again and ask. If your condition allows, do not go to another vehicle. If you want to find another vehicle, you should consult 120 dispatchers and cancel the 120 call in time if necessary. 120 emergency resources are very scarce, use and cherish them wisely so that emergency resources can really serve the patients who need them.