To invite friends to help during Douyin live broadcast, you can follow the steps below: Enter the live broadcast room where you need to send popularity, and click the "Invite to Help" button in the upper right corner of the live broadcast room. In the pop-up interface, select the "Invite Now" option. Click the "Private Message" button, and a window will pop up to check the fan group or friend list and other sending objects. Finally confirm the sending to complete the ranking operation. The above are the general steps to invite friends to help Douyin live broadcast popularity tickets. The specific operations may vary slightly due to factors such as Douyin version and mobile phone system. If necessary, it is recommended to check the Douyin official website or consult Douyin customer service.