目前，对恶性肿瘤的治疗仍然以多学科综合治疗为原则；化疗在恶性肿瘤治疗中占有很大比重。由于化疗药物的疗效存在剂量－效应关系，临床医师在实施化疗过程中药物剂量与以往相比有逐步增大趋势；而绝大多数化疗药物均可导致恶心、呕吐等胃肠道反应；这些胃肠道反应的程度与持 At present, the treatment of malignant tumors is still based on the principle of multidisciplinary treatment; chemotherapy plays a major role in the treatment of malignant tumors. Due to the dose-response relationship between the efficacy of chemotherapy drugs, clinicians gradually increase the dose of drugs during the course of chemotherapy, and most chemotherapy drugs can cause nausea, vomiting and other gastrointestinal reactions; these stomachs The extent and persistence of intestinal reactions