Molar rod are auxiliary functional foods.Domestic patent data and landscape of molar rod are performed by Incopat patent database from application number trends,applicant ranking,patent type distribution and so on.The results show that innovative development of molar rod is in the slow growth phase.Appearance design,device equipment,and stock innovation of molar rod have been hot spots for current technology.By analysis of the molar rod patent,it is expected to provide a certain reference for future applications of molar rod patents.