The utility model relates to the field of medical equipment, a bed and washing unit diagnose in gynaecology and obstetrics is disclosed, wherein, washing unit includes: have the nozzle wash the head,respectively with wash head and transfer line and be connected and be used for inserting the infusion pipe in the vagina, the spiral blade on the infusion pipe is established to the cover. This washing unit can furthest promotes the washing effect of liquid medicine, avoids the waste of liquid medicine to reduce use cost.