Pregnancy is a natural thing that happens to women who are productive. During pregnancy there are changes in the mother both physically and psychologically. In Indonesia about 95% of health workers do not pay much attention to the psychological condition of women giving birth but rather pay attention to the physical condition of the mother and the baby being born. The delivery process has an impact on extreme pain and can cause fear and even death of both the mother and baby. One method that can be used is the Hypnobrithing technique. Hypnobrithing is a practice of self hypnosis (self hypnosis) which is then used to be used in the birthing process. The purpose of this study was to determine the effect of hypnobrithing techniques on the level of anxiety of third trimester mothers during preparation for labor. Type of research Action research uses a One Group Prettest Posttest design approach. The population of the study was 13 third trimester pregnant women. Sampling by total sampling. Univariate and bivariate data processing using computerized paired sample T-Test analysis. The results of the study found that there was an influence of hypnobrithing technique on the level of anxiety in trimester III mothers during preparation for childbirth, p value of 0.001 and an average (Mean) increase in the score of maternal anxiety levels in mothers after intervention amounted to 4,308. It is expected that pregnant woman should be hypnobrithing this method can be one way to overcome anxiety when facing labor.