Whether to inject tetanus clinically and the depth of the wound, there is no direct link, for 1-2mm deep wound whether to play tetanus, mainly depends on the degree of wound cleanliness and whether the wound is seriously contaminated (rust items contaminated) and other circumstances, specifically divided into the following 2 cases: 1, no tetanus: 1-2mm wound is relatively shallow, if the wound is relatively clean or scratched by sterile items, and there is no If the wound is clean or scratched by sterile objects, and there is no foreign matter such as soil, animal feces and rust into the wound, and the wound is completely exposed to the air, and the wound is not in an oxygen-free environment, this situation generally does not need to play tetanus. Need to promptly and thoroughly clean the wound, disinfection treatment, can first use soapy water, flowing water, saline, etc. rinse the wound, and then use iodine volts for thorough disinfection can be; 2, play tetanus: if the wound contact with rusty nails, dirt or animal saliva and other pollutants, even 1-2mm deep wound also need to play tetanus, because these pollutants will enter the body through the wound. If the wound is small on the outside and deep on the inside and has necrotic tissue, it will form a relatively closed environment, and if not actively treated, the chances of tetanus infection will be relatively high. It is advisable to seek medical attention as soon as possible, to disinfect local wounds, and to follow medical advice to inject tetanus antitoxin and tetanus immunoglobulin to prevent tetanus infection. In addition, after the tetanus shot, it is necessary to stay in place for 30 minutes, and if there are uncomfortable symptoms, such as dizziness, nausea, shortness of breath, etc., it is necessary to give feedback to the medical staff and take immediate treatment. Within 24 hours after the tetanus shot, try to avoid getting the wound wet. For patients who have not received tetanus, they need to observe the condition of the wound more often. If the wound shows persistent redness, swelling and pain, it is recommended to go to the hospital for treatment in time.