This document provides a user manual for the Food Security Information and Knowledge Sharing System (FSIS). It introduces FSIS, including its objectives to share food security information and knowledge. It describes the frontend and backend interfaces for users and administrators. It outlines 11 modules for managing different types of food security data, including projects, publications, news, events and more. Institution data entries and administrators can add, edit, reject and publish records in each module, following defined workflows.