Objective: To explore the transdermal prescriptions for the prevention and treatment of nausea and vomiting after chemotherapy in patients with malignant tumor, to provide basis for conducting relevant clinical trial research in the later stage. Methods: Through literature research, eight kinds of commonly used antiemetic prescriptions with high attention and effective oral administration were selected. Expert consultation tables were made and two rounds of expert consultation were carried out by Delphi method. Results: In the two rounds of exp...