Applying to the advertising management office of the industrial and commercial department is actually an advertising business license, and the DM license is not as troublesome as the CN number of the magazine. Enterprise qualification for applying for the establishment of DM: an enterprise with a registered capital of more than 6,543,800+0.5 million, established for more than 3 years, and with advertising operation qualification. Individuals who want to be DM are not qualified enough, so they can cooperate with advertising companies. In addition, DM is not a magazine, but a print advertisement, so it can't publish news and comments. DM can only publish advertising information.