Curling sport is called "ice chess" due to its level of precision and the complex structure of strategic thinking to win. It is a sport branch that is tactically reminiscent of chess, and technically reminiscent of bowling (Yilmaz, 2018). In this study, it is aimed to research the relationship between curling referees' state and trait anxiety, and their decision-making abilities. In this research, a method for descriptive and correlational survey model will be used to determine the current situation. The population of the study consists of 107 referees who take charge in the activities of the Turkey Curling Federation in 2021, and the sample of the study is 97 referees. In this study, the personal information form and the State-Trait Anxiety Inventory(STAI), developed by Spielberger et al. (1970) and adapted into Turkish by Öner and Le Compte (1985), and the '' Melbourne Decision Making I and II Scales "developed by Mann et al. (1998) and adapted to Turkish by Deniz (2004) are used. Data analysis is performed in SPSS 22.0 program. It is observed that the referees participating in the study have moderate state and trait anxiety levels, their self-esteem levels are high, they use careful decision-making style at a high level, and they use avoidant, procrastination, and panic decision-making styles at a low level. It is observed that curling referees' anxiety levels are low, and their decision-making levels are moderate.