PROBLEM TO BE SOLVED: To provide a lawn mower which allows a user to check the mown state of a lawn by a lawn mowing part and whose longitudinal direction can be lessened at storage.SOLUTION: A lawn mower includes: a body 1, which has a lawn mowing part 6 having a rotating blade 6b and a motor 5 for rotating the rotating blade 6b a grass collecting case 7, which collects a lawn mown by the lawn mowing part 6 a grass path structure 15, which has a grass collecting path 20 being connected to the rear of the body 1 and leading to the inside of the grass collecting case 7 from the lawn mowing part 6 and a fan 13, which generates suction wind into the grass collecting case 7 through the grass collecting path 20 from the lawn mowing part 6. The grass collecting case 7 is attachable to and detachable from the grass collecting path structure 15, and it can be arranged, being turned to the front and the rear of the grass collecting path structure 15.
