The utility model discloses a low low temperature electrostatic precipitator of little subregion power supply is equipped with two or three little subregion electric field about in first or final electric field side by side, is equipped with all in every little subregion electric field that two negative poles are hung, independent power supply unit and negative pole shake and play the hammer. The utility model has the advantages that: can effectively adjust the current -voltage parameter of subregion under different work condition and coal of respectively supplying power, effectively solve conventional electrostatic precipitator and can't reduce the transformation degree of difficulty and time limit for a project through reforming transform a difficult problem that effectively satisfies high standard ring and protect the requirement, the high efficiency of the efficiency of gathering dust is stable.