The invention discloses a steam type antivirus fine-adjustment screening production line. The steam type antivirus fine-adjustment screening production line comprises a base. A through groove is formed in the upper surface of the base in the length direction of the base. A transmission mechanism is arranged in the through groove. The upper surface of the base is sequentially provided with a steam sterilization mechanism, a dropping pill filling mechanism and a bottle cap hot-pressing sealing mechanism in the length direction of the base. A control box is arranged on the lateral surface of the base and electrically connected with the transmission mechanism, the steam sterilization mechanism, the dropping pill filling mechanism and the bottle cap hot-pressing sealing mechanism. The steam type antivirus fine-adjustment screening production line has the beneficial effects of being simple in structure and high in practicability.