Abstarct: We live in a society where demand for products is rising relative to the past And no company can survive without customer satisfaction; On the other hand, improving and upgrading the perceived value of the customer will lead to more satisfaction and re-use of the product or service. Recent research shows that customers buy not only quality but also value-baxsed products, and this value plays a very important role in customer loyalty. Hence, perceived value and commitment can play an important role in market demand. The purpose of this research was checking the Relationships among market demand , perceived value and sport commitment toward women marital arts athletes of shahrood city. Research method was descxriptive and correlative. Statistical society of this research includes women marital art of shahroud province (410 people). 250 questionnaire distributed in cluster random method, which about 118 questionnaire were completed and analyzed as case study. To gather the data, the questionnaire of market demand (kim et al 2009), perceived value (kim et al 2009) and sport commitment (sconlan et al 1993) was used. Data analyzed by Pierson statistical correlation methods, Sobel test and structural equation modeling. The research results representative a positive and meaningful impact of market demand on perceived value and sport commitment on women marital arts; also the results of research showed that perceived value has a positive and meaningful impact on sport commitment; also, Sobel test results showed that market demand doesn’t have a meaningful effect on sport commitment by perceived value conflict. Finally, all the model fitting indicators represent a desirable fitting. According to findings of present research which show the significance of the role of market demand on perceived value and sport commitment on women martia arts athletes, It is suggested to managers and managers of martial arts clubs to continuously evaluate these factors in order to reduce the existing gap in the quality of sports services, the physical quality of equipment, and the quality of staff performance. Because continuous evaluation can help reduce weaknesses, reduce existing gaps and improve customer judgments from club services, and thus increase customer loyalty.