Objective To observe the effect of continuous blood purification ( CBP ) in treatment of patients with severe viral encephalitis (SVE) combined with status epilepticus (SE).Methods Twenty-four SVE patients combined with SE were collected.Of which 15 cases received conventional treatment was control group, while 9 cases received CBP on the basis of conventional therapy was treatment group.The two groups were observed for curative effects.Results Compared with the control group, the remission time of fever, consciousness recovery, status epilepticus and mechanical ventilation were significantly shortened in treatment group ( all P<0.05 ) .The curative effects between the two groups were no significantly different.Conclusion For SVE patients with SE, the CBP treatment combined with conventional treatment can quickly relieve symptoms and improve the prognosis.