The utility model belongs to the technical field of hot melt adhesive rubber coating equipment, a hot melt adhesive spreading machine and rubber coating system is specifically disclosed. The spreading machine includes a body, and the body bottom is the form conduct of twitching one's mouth and goes out a jiao zui, and the periphery of body is equipped with the heating collar, is equipped with a plurality of terminal on the heating collar, and the heating collar periphery is equipped with the insulation cover, and body upper end fixedly connected with insulated handle is equipped with the temperature control device who takes the temperature -sensing probe on, and wire and each terminal series connection are passed through to temperature control device one end, and the other end passes through the power cord to be connected with power plug, and the temperature -sensing probe is hugged closely the heating collar and is placed. The rubber coating system includes that aforementioned spreading machine reaches rather than the supporting frame that uses. The utility model discloses in the mainly used waterproofing membrane construction, the hot melt adhesive that reaches between edge fit and the concrete between the edge fit bonds fast, realizes the serialization of rubber coating bonding, has fast, simple and efficient, the effectual advantage of being under construction of construction speed.