Method for taking stevia rebaudiana as main auxiliary material to remove city domestic sludge odor

The invention discloses a method for removing city domestic sludge odor. A solid auxiliary material is prepared from the following raw materials in parts by weight: a stevia rebaudiana solid auxiliarymaterial, a fragrant auxiliary material and other auxiliary materials; the stevia rebaudiana solid auxiliary material is residue after extraction of stevia rebaudiana fresh leaves or stevia rebaudiana glucoside, and the dry powder accounts for 5-50% of the total weight of sludge; the fragrant auxiliary material is dried and ground citrus peel, or alangium faberi, or cinnamon, or pericarpium zanthoxyli, or myrcia or eucalyptus leaves, and the fragrant solid auxiliary material accounts for 0.1-10% of the total weight of the sludge; the other auxiliary materials account for 0.1-10% of the totalweight of the sludge and are prepared from diatomite and ferrous sulfate; and a fungicide liquid auxiliary material accounts for 0.1-30% of the total weight of the sludge, and the fungicide is mixed with the solid auxiliary ma