The non-specific infection, also known as the "common infections, such as boils, carbuncles, erysipelas, acute mastitis, acute appendicitis , etc.. Common staphylococcus, streptococcus, E. coli and other pathogens . Its characteristics are: the same kind of pathogens purulent infection can be caused by several different different pathogens can also cause the same disease. Suppurative inflammation, a common feature, that is red, swollen, hot, pain and dysfunction. Prevention commonality.