This research aims to discuss construction of catering facilities on agricultural estates and its building zone allowance. The scope of this research will be on the agricultural operational units with catering facilities in Taipei. Construction laws and restrictions are discussed here. In addition, use and demand can be attained through case condition study. In accordance with the estimated area allotment theories of catering facilities, we get a catering facility construction area reading. The result will be provided for supervising units for future evaluation of land use restriction systems and serves as reference for amendments of catering facility building area.