Full-automatic marking machine applied to rainy climate in southern seasons and spraying method of full-automatic marking machine

The invention relates to the technical field of road marking, and aims to solve the problems that in the prior art, a road surface cannot be quickly dried after medium-light rain or short-time heavy rain, and marking spraying is affected; the invention provides a full-automatic marking machine applied to rainy weather in southern seasons and a spraying method thereof, aiming at solving the problems that the time for bonding a sprayed marking line with a road surface is relatively long and the marking line is easily washed by sudden rainfall in the prior art, and an air blower is arranged at the front end of a marking vehicle and is electrically connected to the marking vehicle; the blower has a first air outlet; the tail part of the marking vehicle is fixedly connected with an air cooler; the air cooler is provided with a second air outlet which is located in the bottom face of the air cooler. The top of the marking vehicle is provided with a movable canopy, the movable canopy is detachably and fixedly connec