Pus after tooth extraction, in most cases, is caused by the infection of the extraction wound area, which requires active anti-infection treatment, as follows: 1, local treatment: patients need to go to a professional stomatology department, for the secondary cleaning of the extraction wound, if there is pus, the need to drain the pus out, and rinse, so that pus is completely emptied out, the local area will be improved. 2, systemic treatment: the whole body can be applied to anti-inflammatory drugs, including oral anti-inflammatory drugs, severe can also consider intravenous application of anti-inflammatory drugs, with systemic nutritional support therapy, in most cases, the inflammation and infection will be relieved significantly. Drugs, including oral anti-inflammatory drugs, serious can also consider intravenous application of anti-inflammatory drugs, with the systemic nutritional supportive therapy, in most cases, the inflammation and infection will be relieved significantly. In general, sepsis after tooth extraction, through local and systemic treatment, can achieve better therapeutic effect.