To add industry tags on Alibaba, you first need to make sure that your business account has completed corporate certification. Then, on the business information page, click the "Business Qualifications" column, enter the "Industry Qualifications" page, select the corresponding industry tag and upload relevant certification materials to complete the addition. Adding industry tags can help buyers find your business more quickly, improve credibility and exposure, and thus increase transaction rates. Therefore, carefully filling in and updating industry tags is one of the important steps for companies to conduct marketing and sales on the Alibaba platform.