Rabies is the most dangerous viral disease, with a mortality rate as high as 100%. The typical clinical process is divided into three phases: prodromal phase, excitation phase and paralytic phase. 1. Prodromal stage: there are often symptoms such as low fever and general malaise. Then there is irritability and insomnia, and it can be sensitive to light, wind and other stimuli. 2. Excitatory phase: It is characterized by a high degree of excitement, fear of water, fear of wind, etc. Body temperature often rises, fear of water, fear of wind and so on. Body temperature often rises, fear of water is the characteristic of this disease, manifested as although very thirsty, but do not dare to drink. 3. Paralysis: the patient from quiet into a coma, and ultimately died of respiratory and circulatory failure. Once rabies develops, the death rate reaches 100%. Therefore, if you are bitten or scratched by a rabid dog or a sick animal, you should go to the hospital in time and under the guidance of the doctor for prevention and treatment.