Medical waste, waste water disposal has been national environmental protection bureau, as an important indicator of national civilization health city comparison. The ministry of health "hospital infection management norms" regulation: the hospital must be set above the secondary incinerator (garbage) is to be burned hospital

According to the size of the hospital, properties and processing sewage, process selection. Divided into infectious diseases hospital and general hospital. Hospital sewage discharge to divided into discharged into natural water body and by municipal sewage discharged into urban sewage treatment plant.

Hospital sewage treatment process must ensure that the used water amount to mark, mainly adopts three kinds of process are: strengthen the treatment effect of simple primary treatment, secondary treatment and biochemical treatment.