Anti-streptococcal hemolysin is referred to as anti-O, when it is greater than 200lU/ml, observation is recommended when there are no symptoms; when combined with fever, arthralgia and other symptoms, anti-infective treatment should be given, and at the same time, to rule out whether there is a false positive result. 1. If the simple anti-streptococcal hemolysin is greater than 200lU/ml without any symptoms, it is likely that the hemolytic streptococcus has been infected, the bacteria in the body has been eliminated, this situation is only a higher concentration of anti-0, there is no obvious effect on the human body, generally do not need special treatment. 2. When the anti-O is greater than 200lU/ml, accompanied by fever, oliguria, joint pain, panic, etc., may be infected with hemolytic streptococcus caused by tonsillitis, acute glomerulonephritis, rheumatic fever, rheumatoid arthritis, etc., this situation is related to the infection of hemolytic streptococcus, it is recommended to choose the appropriate antibiotics under the guidance of the doctor to fight infection, such as penicillin treatment. 3. Excluding false positive results, anti-O is greater than 200lU/ml, may also be active viral hepatitis, hyperlipidemia, myeloma, high gammaglobulin, tuberculosis infection and other diseases, can be combined with the rest of the test anti-streptococcal antibody titer, such as anti-DNA enzyme B to assist in the judgment. When anti-O is greater than 200lU/ml, it is necessary to consult a doctor in time, combined with their own conditions, under the guidance of the doctor for further treatment.