It is very important to preserve the primary teeth in the dental arch till its normal anticipated exfoliation occurs for a range of esthetic, functional, physiological, and psychological reasons. Therefore it is important to treat pulpally involved teeth due to various carious and/or non-carious reasons. Pulp therapies range from indirect pulp capping to pulpectomy. The conventional way of performing biomechanical preparation in pulpectomy is by use of hand files. However, advances are not uncommon in Pediatric practice to make the treatment more efficient, less time-consuming. The rotary systems in Pediatric endodontic practice are now gaining popularity because of their efficiency and this article aims at understanding various rotary systems exclusively available for use in Pediatric endodontics.