To provide mowing spike by which, when the grass on a steep slope bank is mowed, the balancing of the body can be maintained not to slip for preventing danger and for enhancing efficiency.

Foot-placing plate support plates 5 are fixed to a foot-placing plate 1 by means of foot-placing plate support plate fixing screws 9. In this case, needles for slip-stopping spikes 8 are useful to keep the parallelism of the foot-placing plate 1 at a sloped ground. In accordance with the inclination of the slope, the height is adjusted by a height-adjusting plate 6, which is fixed by height-adjusting plate fixing screws 7. The plate support plates 5 are folded by hinges 4 so that they can be compacted so as to be convenient for carrying.