The invention provides an electrostatic air purifier. The electrostatic air purifier comprises charged chambers (10), charged modules, and a dust removal chamber (20), wherein each charged chamber (10) is provided with air inlets (50) used for allowing air to flow in; each charged module is arranged in the corresponding charged chamber (10) and is used for enabling solid particle matters in the air to take negative charge; the dust removal chamber (20) communicates with the charged chambers (10); a dust removal module (200) is arranged in the dust removal chamber (20), and comprises a plurality of dust collecting plates, a plurality of high-voltage plates (3), and electrode lead-out devices; the dust collecting plates and the high-voltage plates (3) are in staggered arrangement; each high-voltage plate (3) is connected to a high-voltage source through the corresponding electrode lead-out device; each electrode lead-out device comprises a notch (35) formed in the edge of the corresponding high-voltage plate (3); conducting strips (34) are respectively arranged in the notches (35); each conducting strip (34) is electrically connected to the corresponding high-voltage plate (3); conducting elements (36) are respectively inserted in the notches (35); and the conducting strips (34) of the high-voltage plates (3) are in electric connection through the conducting elements (36).