The invention discloses a walk lawn which comprises a supporting layer and a planting layer positioned on the supporting layer. The planting layer comprises a root system planting substrate layer andgrass planting grids, the root system planting substrate layer is laid on the upper portion of the supporting layer, one grass planting grid is positioned in the root system planting substrate layer,the root system planting substrate layer exceeds the grass planting grids by 3-5cm, coconut shreds are uniformly distributed in the root system planting substrate layer, and the dosage of the coconutshreds is 50-60kh/mu. The construction method of the walk lawn includes the steps: laying one layer of grass planting grids on the supporting layer; filling and paving the grass planting grids with root system planting substrates; enabling the root system planting substrates to exceed the grass planting grids by 3-5cm to form the root system planting substrate layer. The grass planting grids are arranged in a root system planting layer of the lawn and arranged at the suitable positions, the coconut shreds are added into the root system substrates, compression resistance of the root system planting layer is collectively enhanced, soil in the root system planting layer is not easily hardened in the trampling process, and the trampling resistance of the lawn is improved.