An intelligent mower system, comprising a mower, a contour device for detecting a boundary of a lawn, and a charging pile for charging the mower, the contour device comprising a contour detection device mounted on the mower, and a contour transmitting device mounted at the boundary of the lawn and corresponding to the contour detection device, the contour transmitting device being connected to a wire arranged around the boundary of the lawn, and the wire surrounding the boundary of the lawn to form an electronic fence contour and surrounding the charging pile to form a small charging pile contour; the mower comprising a shell, a drive device, and a mowing assembly; the mowing assembly comprising a mowing shaft, a mowing drive device, and mowing blades mounted on the mowing shaft, the mowing drive device being used for driving the mowing shaft, and the mowing shaft driving the mowing blades to mow the lawn; wherein: the mowing assembly further comprises a mowing blade holder mounted around the mowing shaft, a plurality of fixing rods are supported and mounted in the mowing blade holder, blade bars are movably mounted on the fixing rods by means of elastic guide bushings and are able to stretch out via guide holes in the mowing blade holder, and the mowing blades are mounted at ends, away from the fixing rods, of the blade bars; when the mower operates, the blade bars stretch out via the guide holes under a centrifugal effect, and then, the mowing blades mow the lawn; the mower further comprises an auxiliary leveling device close to the mowing assembly and mounted in the shell, the auxiliary leveling device comprises a leveling drive device, and a leveling and mowing device, the leveling and mowing device comprises a leveling drive shaft arranged horizontally and a spiral mowing frame fixed around the leveling drive shaft, and leveling blades are mounted on the spiral mowing frame in a spaced manner; GNSS modules are connected to the contour transmitting device and the contour detection device in the contour device to provide high-precision timing at a specific frequency. the mower comprising a shell, a drive device, and a mowing assembly; the mowing assembly comprising a mowing shaft, a mowing drive device, and mowing blades mounted on the mowing shaft, the mowing drive device being used for driving the mowing shaft, and the mowing shaft driving the mowing blades to mow the lawn; wherein: the mowing assembly further comprises a mowing blade holder mounted around the mowing shaft, a plurality of fixing rods are supported and mounted in the mowing blade holder, blade bars are movably mounted on the fixing rods by means of elastic guide bushings and are able to stretch out via guide holes in the mowing blade holder, and the mowing blades are mounted at ends, away from the fixing rods, of the blade bars; when the mower operates, the blade bars stretch out via the guide holes under a centrifugal effect, and then, the mowing blades mow the lawn; the mower further comprises an auxiliary leveling device close to the mowing assembly and mounted in the shell, the auxiliary leveling device comprises a leveling drive device, and a leveling and mowing device, the leveling and mowing device comprises a leveling drive shaft arranged horizontally and a spiral mowing frame fixed around the leveling drive shaft, and leveling blades are mounted on the spiral mowing frame in a spaced manner; GNSS modules are connected to the contour transmitting device and the contour detection device in the contour device to provide high-precision timing at a specific frequency. the mowing assembly further comprises a mowing blade holder mounted around the mowing shaft, a plurality of fixing rods are supported and mounted in the mowing blade holder, blade bars are movably mounted on the fixing rods by means of elastic guide bushings and are able to stretch out via guide holes in the mowing blade holder, and the mowing blades are mounted at ends, away from the fixing rods, of the blade bars; when the mower operates, the blade bars stretch out via the guide holes under a centrifugal effect, and then, the mowing blades mow the lawn; the mower further comprises an auxiliary leveling device close to the mowing assembly and mounted in the shell, the auxiliary leveling device comprises a leveling drive device, and a leveling and mowing device, the leveling and mowing device comprises a leveling drive shaft arranged horizontally and a spiral mowing frame fixed around the leveling drive shaft, and leveling blades are mounted on the spiral mowing frame in a spaced manner; GNSS modules are connected to the contour transmitting device and the contour detection device in the contour device to provide high-precision timing at a specific frequency.