This document discusses abhyantara snehana or internal oleation therapy as a preparatory procedure for panchakarma. It describes the types of internal snehana including accha sneha, pravicharna sneha and avapeedaka sneha. The process of snehana including patient examination, dosage determination based on prakriti, dosha and agni is explained. Signs of proper snehana like vatanulomana and complications are also mentioned along with their management. Guidelines regarding diet, lifestyle during snehana are provided. Different modalities of sneha administration after snehana are described. Finally, indications of snehana are stated.