Study of market centres as well as market economic functions in regional planning and development has been found very important in the assessment of the pattern of development of any region. This has attracted attention of the planners all over the world. The market related functions or activities with the level of concentration of services and facilities will help identification the development status of the region. This study attempts to examine the existing pattern of market economic development vis-à-vis development potential in different blocks of Purba Medinipur district of West Bengal. It has been observed that the functional and spatial organizations are interrelated phenomena which influence the economic and social life of the people. Through a systematic study spatial relationships among the existing market activities are observed and it has been noticed that there is a definite pattern of dispersal or concentration of activities in space. On the basis of the above understanding study has been conducted on the potential services of markets and related economic functions of Purba Medinipur district as an areal unit.