Objective To evaluate the effect of dietary education on chemotherapy-induced taste alteration among lung cancer patients. Methods According to admission time, 38 lung cancer patients receiving chemotherapy were treated as the control group and subjected to conventional nursing care, their counterparts (n=36) were served as the intervention and received dietary education for two cycles of chemotherapy.The Chemotherapy-induced Taste Alternation Scale （CiTAS） was employed to measure the taste alteration before the intervention, and then every week for 3 weeks after the intervention. Results After the intervention,there were significant differences in the total CiTAS score and dimension scores of discomfort and general taste alterations between the two groups （P＜0.05,P＜0.01）. Conclusion Dietary education can ameliorate the severity of chemotherapy-induced taste alteration.