After tetanus injection, patients should stay in the hospital for observation, pay attention to diet, avoid exertion and wound care. 1. Stay in the hospital for observation: tetanus injection is easy to cause allergy, after tetanus injection, patients should stay in the hospital for observation, which usually takes about 30 minutes, and they can leave after 30 minutes if they do not feel any discomfort during the period. 2. Pay attention to diet: about one week after the tetanus injection, patients should pay attention to light diet, do not eat spicy, cold, stimulating food, and do not smoke and drink, so as not to affect the effect. 3. Avoid exertion: avoid overwork after tetanus injection, pay attention to rest, ensure enough sleep, do not stay up late. 4. Wound care: Pay attention to the wound not to touch water, so as not to be infected, causing inflammation and so on, should be 24 hours after the injection site is no abnormality before taking a bath. After the tetanus injection, if discomfort occurs, seek medical help in time.