Taking microblog as the marketing platform, microblog marketing can help to build a good image of products and company by updating the company's microblog to spread the latest information. In spite of its convenience, low accessibility and strong spreading power, the disadvantages of microblog marketing can not be ignored. In the massive amounts of information, elaborate planning should be made to improve the accuracy and expand the breadth and width of information spreading. Microblog marketing still has a long way to go and we need to pay attention to the tactics and avoid potential problems.