The invention relates to a treatment device, in particular to an asphalt treatment device used after petroleum refining and aims to provide an asphalt treatment device which is used after petroleum refining, can save time and labor, has a good stirring effect and can purify toxic gases during stirring without affecting the surroundings. In order to solve the technical problems, the asphalt treatment device used after petroleum refining comprises support legs, a box body, a first box cover and the like, wherein the support legs are symmetrically mounted at lower parts of left and right side surfaces outside the box body, a feeding port is formed in the middle of the top of the box body, and the first box cover is arranged at the bottom of the box body. The stirred asphalt can be molten by a melting device, manual asphalt melting is not required, a purification device can purify toxic gases without affecting the surroundings, time and labor are saved, the stirring effect is good, toxic gases can be purified during stirring while the surroundings are not affected.