Abstract: A personnel data analysis software for personnel management system of coal mine underground was proposed. Principle of data curve analysis of the software was introduced. Application of the software was introduced in handover management and personnel location management of coal mine taking personnel sum curve as an example. The software uses curve form to show status of handover, personnel action and personnel location system in coal mine intuitively and quantificationally. The software has been applied in a personnel management system of coal mine underground with a good effect.