The invention discloses a construction method of a plastic sports field, belongs to a construction method of a sports field, and aims to provide a construction method of a plastic sports field, through which an artificial turf is difficult to tilt so that normal use of the plastic sports field cannot be influenced. The technical scheme adopted by the invention lies in that the construction method of the plastic sports field comprises construction of a track, construction of a football field and construction of sports equipment, wherein the construction of the football field comprises the steps of step 1, performing foundation excavation and performing tamping, step 2, rolling a plain soil layer, step 3, laying a drainage ditch, step 4, laying a gravel cushion, step 5, performing concrete construction, step 6, performing concrete curing, step 7, sunning and proofing artificial grass, step 8, laying an artificial turf, step 9, laying white turf lines, step 10, laying quartz sand, step 11, laying black colloidal particles, and step 12, combing grass seedlings.