The incubation period for the onset of tetanus is generally 4 to 14 days, ranging from 24 hours for short cases to several months or years for long cases. The shorter the incubation period, the more serious the condition, the worse the prognosis and the higher the mortality rate. The incubation period of tetanus varies from person to person, generally 4~14 days, as short as 24 hours, as long as months or years, about 80% of the patients in the injury within 2 weeks after the onset of the disease, and occasionally see the removal of the body for many years after the foreign body tetanus symptoms. The shorter the incubation period, the worse the prognosis, in the injury within 2 to 3 days after the onset of the mortality rate is close to 100%. Tetanus is mainly manifested as generalized weakness, dizziness, muscle tightness, dyspnea, paroxysmal spasms and other symptoms, the course of the disease is generally 3~4 weeks, active treatment can be relieved. Tetanus should be prevented in time and treated under the guidance of a doctor. Wounds are thoroughly debrided, active proactive injection of tetanus antitoxin, pay attention to rest, avoid sound and light stimulation. Avoid spicy and stimulating food, pay attention to a light diet.