The utility model discloses an electric automobile alternating -current charging stake operating environment analyses and prediction alarm device, display, operating panel, bee calling organ and data acquisition unit on setting up the host system in the casing and set up the casing, wherein the data acquisition unit includes temperature sensor, electromagnetic interference sensor, non polarizing electrode and magnetic field intensity sensor, host system's input respectively with the connected signal of operating panel, temperature sensor, electromagnetic interference sensor, non polarizing electrode and magnetic field intensity sensor, display and bee calling organ are connected respectively to host system's output. The utility model discloses can electric automobile alternating -current charging stake operation in -process to the environmental parameter of equipment work gather in real time, demonstration, analysis and prediction, report to the police when certain environmental parameter surpasss normal range, the warning is patrolled and examined the operation personnel and is in time taken measures, ensures that the monitor can obtain authentic and valid electric automobile alternating -current charging stake operating parameter constantly.