The invention discloses an online assessment system with setting of a management mechanism. the system is in data communication with the internet, and comprises an assessment input unit, an assessment management unit, a storage unit, a display unit and a query unit, wherein the assessment input unit is used for enabling a user to assess the school teaching quality and the teacher work benefits; the assessment management unit is used for receiving data information transmitted by the assessment input unit, and carrying out classification, logic processing and information editing on each item of assessment information; the storage unit is used for receiving processed data information transmitted by the assessment management unit and storing the data information; the display unit is connected with the storage unit for display an assessment result; and the query unit is used for enabling the user to online check the assessment result.