(1) Review of doctor's orders: ① Doctors should issue doctor's orders for intravenous drug use in accordance with the relevant provisions of the Prescription Management Measures; Pharmacists should, according to the relevant requirements of the Prescription Management Measures, the Quality Management Specification for Centralized Configuration of Intravenous Drugs and the Basic Specification for Electronic Medical Records (Trial), review whether the medication orders are standardized and appropriate, ensure the appropriateness and correctness of medication, and pay attention to the medication situation of special people. Effectively intervene the problematic doctor's advice, communicate with the doctor in time and record the results; (2) Full-time pharmacists provide consultation on clinical medication, with consultation records, and publicize rational drug use for common clinical problems; (3) there are measures to promote the continuous improvement of clinical rational drug use, and there are special personnel responsible for systematic inspection to prevent errors, analysis and comment on the intervention effect of clinical irrational drug use, reflecting the effect of multi-link prevention and continuous improvement; (4) focus on the audit of patients with complete doctor's advice.

(2) Workflow: ① Establish basic process posts: doctor's advice review, drug dispensing, labeling and checking, infusion blending and mixing, finished infusion review, packaging and transportation, and ward review; (2) Fill in the cleaning and disinfection records in time after infusion deployment; (3) The quality of mixed finished product infusion should be checked by professional technicians above pharmacists, qualified and signed (including electronic signature); (4) After each working procedure is completed, the staff shall fill in all kinds of records according to the provisions of the operating procedures, and the contents are true and traceable; (5) Error registration and reporting system and relevant records; ⑥ Incorrect infusion or completed infusion with quality problems in the intravenous drug allocation center should be re-allocated and recorded; ⑦ In case of transfusion reaction and adverse drug reaction of finished infusion prepared by ⑦PIVAS in clinic, the reasons should be found out in time, corresponding measures should be taken in time, and records should be made, and error analysis system and improvement measures should be established, and regular error prevention training should be conducted; ⑧ Dispensing drugs according to their nature. Dangerous drugs should be packaged independently and clearly marked. Harmful drugs, parenteral nutrition solution and non-whole (bottle) dose drugs should be checked by two people.