The invention discloses an oilfield hot-washing oil-base high-efficiency paraffin-removal paraffin inhibitor which belongs to an oilfield cleaning chemical product and is characterized by comprising the following components: by weight, 5-15% of a lubricant, 5-15% of a surfactant, 15-25% of a diluent, 10-20% of an osmotic agent and 40-50% of reformed heavy oil, wherein the lubricant is pyrolysis oil or aromatic hydrocarbon or aluminium foil oil

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