An automatic operation system, comprising an intelligent lawn mower (20,100), the intelligent lawn mower (20,100) comprising: a housing (27,120); a moving module (21,150), configured to drive the intelligent lawn mower (20,100) to move; a cutting module, configured to perform cutting; an energy module (25,140), configured to provide energy for the intelligent lawn mower; an image capturing module, configured to capture image information near the intelligent lawn mower (20,100), and control movement and/or operation of the intelligent lawn mower according to the captured image information; and a control module (24,160), electrically connected to the moving module (21,150), the cutting module, and the image capturing module and configured to control the intelligent lawn mower (20,100) to move and/or operate within an operation region, wherein the intelligent lawn mower (20,100) comprises a mowing operation mode and the image capturing module has a first operation position corresponding to the mowing operation mode, characterized in that the intelligent lawn mower (20,100) has a monitoring operation mode, and the image capturing module has a second operation position corresponding to the monitoring operation mode, wherein in the first operation mode the image capturing module is generally inclined downwards with an angle between a central axis of the field of view of the image capturing module and a vertical line in a range from 30 degrees to 60 degrees, and wherein in the second operation mode the image capturing module is disposed with the angle between the central axis of the field of view of the image capturing module and the vertical line in a range from 70 degrees to 110 degrees. a housing (27,120); a moving module (21,150), configured to drive the intelligent lawn mower (20,100) to move; a cutting module, configured to perform cutting; an energy module (25,140), configured to provide energy for the intelligent lawn mower; an image capturing module, configured to capture image information near the intelligent lawn mower (20,100), and control movement and/or operation of the intelligent lawn mower according to the captured image information; and a control module (24,160), electrically connected to the moving module (21,150), the cutting module, and the image capturing module and configured to control the intelligent lawn mower (20,100) to move and/or operate within an operation region, wherein the intelligent lawn mower (20,100) comprises a mowing operation mode and the image capturing module has a first operation position corresponding to the mowing operation mode, characterized in that the intelligent lawn mower (20,100) has a monitoring operation mode, and the image capturing module has a second operation position corresponding to the monitoring operation mode, wherein in the first operation mode the image capturing module is generally inclined downwards with an angle between a central axis of the field of view of the image capturing module and a vertical line in a range from 30 degrees to 60 degrees, and wherein in the second operation mode the image capturing module is disposed with the angle between the central axis of the field of view of the image capturing module and the vertical line in a range from 70 degrees to 110 degrees.