The utility model discloses a device for washing powder is put in belongs to washing machine technical field, and the the utility model discloses a device for washing powder is put in structure of having solved current washing machine is complicated, and the scheduling problem is easily remained to washing powder, the utility model discloses a device for washing powder is put in is including fixed box body and activity box body, fixed box body has the lateral part open-ended and holds the chamber, will on assembling fixed box body activity box body slidable it separates for last cavity and lower cavity to hold the chamber, device for washing powder is put in still goes up the water inlet of cavity and feeds through the delivery port of cavity down including the intercommunication, said movable box body is equipped with the washing powder portion of placing and lies in the inside delivery port that a rear side was placed to washing powder, and upward the interval between cavity and the lower cavity the said washing powder portion of placing is linked together through inside delivery port, washing water from the water inlet get into go up the cavity and from washing powder place a front side to the inside delivery port of rear side flow get into under the cavity