PFTDP-KB(Perioperative Fluid Therapy Decision Parameter information knowledge base) is a decision-making information sharing platform for perioperative intravenous fluid therapy based on data extraction and analysis from the Pubmed literature database. This knowledge data platform collected preoperative, intraoperative, and postoperative factors which are article-supported to be associated with the perioperative fluid therapy decision. The PFTDP-KB including 2182 records of intravenous fluid management decision parameters information for surgical patients, which can auxiliary support the fluid type estimation, fluid rate assessment, transfusion assessment and the use of vasoactive agents assessment. This knowledge data platform can provide evidence support and knowledge decision-making sharing for clinical intravenous fluid therapy. Furtherly, it can improve the efficiency of perioperative fluid therapy.