Step 1: Enter the WeChat public platform in the browser search box and enter official website.
Step 2: Scan and log in the QR code with the mobile phone WeChat, and select the public platform account under the WeChat on the mobile phone to log in.
Step 3: Select the material library in the function list on the left side of the page.
Step 4: Click Video Options at the top of the page, and then click Add Options in the upper right corner of the page.
Step 5: Upload the video, submit the cover, fill in the video title and classification in turn as required, check the "I have read and agreed" option, and finally click the save option.
Step 6: Select the home page option from the function list on the left side of the page.
Step 7: Select the video message option of the new authoring interface.
Step 8: Select the video to be published in the pop-up dialog box, and then click OK.
Step 9: Select the group sending option at the bottom of the page, and continue to select group sending in the pop-up interface to publish the video.