The aim of this article is to deduce the relationship between anxiety and motivation of a sportsman using fuzzylogic. Sports contains physiological and social dimension. The sports man is found to have full of tension, anxiety, fear and stress while participating in an event. The quality of the playing is very much depending on both physiological and as well as psychological aspects of the player. Fuzzy logic can be applied in order to find the solution to optimise their level of motivation and to overcome their level of anxiety.