Background: Vulva hygiene is a treatment on female genitals which have an important role in the status of someone's health behavior to avoid disturbances in the reproductive organs. The purpose of this study was to determine the advantages of counseling in improving female adolescents’ knowledge about vulva hygiene at SMP Negeri 11 Denpasar. Method: This study employed a comparative analytical method with a one group pretest-posttest design. The sample of this research was 124 students of VIII class at SMP Negeri 11 Denpasar. The sampling technique in this study was Proportionate Cluster Random Sampling. The instrument used was a pre-test and post-test questionnaire with 25 valid and reliable questions. The data were analyzed by using Wilcoxon test. Result: The results of the research showed that the average of pretest knowledge was 57.71 and the average of posttest knowledge after getting counseling through zoom was 83.68. The results of the Wilcoxon test showed that p value <0,001. These results indicated that there was an improvement of teenager’s knowledge about Vulva Hygiene at SMP Negeri 11 Denpasar. It is expected that schools and health centers will increase the health education.