Scavenging agent and clearing method for low-e glass coating

The invention relates to a scavenging agent and a scavenging method for scavenging a low-e glass coating. The scavenging agent comprises a scavenging liquid A and a scavenging liquid B, wherein the scavenging liquid A comprises 1-5M inorganic acid, 5%-20% of an inorganic grinding aid reagent, 1%-5% of a pH buffer agent, 1%-5% of a dispersing agent, 1%-5% of a chelating agent, 1%-5% of a surfactant and 1%-5% of a catalyst; the removal liquid B comprises 3-10 M of inorganic alkali, 5%-20% of an inorganic grinding aid reagent, 1%-5% of a pH buffer agent, 1%-5% of a dispersing agent, 1%-5% of a chelating agent, 1%-5% of a surfactant and 1%-5% of a catalyst. The scavenger provided by the invention has the advantages of being stable in formula, high in removal capacity, not easy to volatilize and decompose, high in durability and the like, and meanwhile, the solvent amount is small, and the scavenger is low in cost; toxic substances such as benzene, cyanide and heavy metal are not contained; the coating on the glas