The objective of the study to find out the effect of 6 weeks circuit training on breath hold time of badminton players. For the purpose of this study, thirty (N = 30) subjects was randomly selected from different levels of badminton players of Teerthanker Mahaveer University, Moradabad. The mean age of the subjects for the study was 22±0.57. The subjects was divided into two groups, experimental group (NE = 15) and control group (NC = 15). To measure the Breath hold time, manual method was used and scores was recorded in seconds. To determine the effect of 6 weeks circuit training on breath hold time of badminton players, Analysis of Co-Variance (ANCOVA) was used. The level of significance was set at 0.05. The results of the study shows that 6 weeks circuit training have significant effect on breath hold time of badminton players.