Scarlet fever can be prevented by taking penicillin. At present, there is no vaccine for prevention. The incubation period of scarlet fever is relatively short, with the shortest one day and the longest one week. The symptoms of scarlatina fever mainly include chills and fever, accompanied by headache, nausea, vomiting, loss of appetite and other symptoms. The current treatment methods include general treatment, antibiotic treatment, symptomatic treatment, etc. Because scarlatina is infectious, patients need to be isolated in time. In case of similar situation, it is recommended to go to a regular hospital for a detailed inspection in time to find out the cause, confirm the condition, and take timely treatment measures to prevent further deterioration of the condition.