The next day after being bitten by a dog, if there is no breakage of the skin, there is no special sign. If there is a breakage of the skin or mucous membrane, there is a possibility of wound infection, fever, redness and swelling, or even rabies virus infection with systemic symptoms. After being bitten by a dog at the time of skin and mucous membrane damage or bleeding, if not timely cleaning and disinfection treatment, the next day there may be wound infection, fever, redness and swelling. These symptoms are not very different from ordinary trauma. If not timely rabies vaccine, or even may be infected with rabies virus, the earliest in the exposed wound will occur in the Department of pain and itching, some people describe it as ants crawling, and then there will be systemic symptoms, such as fever, fatigue, headache, nausea, general discomfort, fear, irritability and insomnia, stimulation of sound, light, wind and other stimuli can be a feeling of tightness of the throat, the most typical of these symptoms and ordinary trauma. Among these symptoms, the most typical symptoms are fear of wind and water. Clinical due to individual differences, different conditions, each person’s performance is different, it is recommended that the occurrence of dog bites timely medical treatment, standardized treatment. Avoiding the wrong condition.