A campus enclosure anti-intrusion system, comprising a monitoring mother end (1) and a monitoring sub-end (2), wherein the monitoring sub-end (2) comprises a plurality of infrared transmission units (20) arranged on a campus enclosure, receiving units (21) cooperating with the infrared transmission units (20) in one-to-one correspondence and a human body sensing module (22); the monitoring sub-end (2) further comprises a trigger switch (23), a human facial recognition module (24) and a wireless communication module (25); the monitoring mother end (1) comprises a wireless receiving module (10), a reminder module (11), an alarm module (12), an information processor (13), a human facial information database (14) and a human facial comparison module (15); when a person intrudes by climbing over the enclosure from the outside, the human body sensing module (22) performs sensing, and sends, via the trigger switch (23), reminder information to the monitoring mother end (1) for a reminder, security is high and monitoring personnel are prevented from working at high intensity; and the human facial recognition module (24) is arranged to give an alarm via the alarm module (12) when it is detected that a person intruding by climbing over does not match data in the human facial information database (14) or same matches information about a person wanted by the Ministry of Public Security in the human facial information database (14), giving the recognition of the intruding person a greater degree of intelligence.
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