A control method of traffic road cones includes 1, arranging N (N >/= 2) traffic road cones as one group of traffic guide devices; 2, determining the lighting time of the traffic road cones in each group of traffic guide devices to be t, sparkling intervals to be T, and sparkling periods of each group of traffic guide devices to be N*(t+T), and allowing a first device to be lighted once more via T after a last device extinguishes; 3, powering on the N traffic road cones according to the intervals t+T sequentially, and allowing the lighting time of each traffic road cone to be t and the intervals between extinguishing and lighting of two adjacent devices to be T; in the group of traffic guide devices, allowing the traffic road cones to sparkle sequentially to form orientated sparkling patterns to perform traffic guide indication. According to the control method of the traffic road cones, a plurality of devices in a same classification are utilized simultaneously in a combined manner to form lighting combinations with certain sparkling rules and recognizing significances, accordingly special traffic information is released, and the method is used for assisting traffic management.