This guidance consists of 6 sections. Following the introduction (section 1), section 2 covers the design phase. In order to choose an appropriate method, clear objectives need to be articulated through extensive consultation processes. Section 3 describes the process of selecting key indicators and identifying appropriate data sources. Section 4 focusses on household-level food security monitoring, including questionnaire, sampling options, food security classification and budgetary considerations. Section 5 gives some key recommendations on how to present and report results. The final section illustrates how FSMS data can feed into the Integrated Food Security Phase Classification (IPC) process