Sina Weibo and Weibo are products of the same company. Sina Weibo refers to a social media platform launched by Sina. It is called Sina Weibo because Weibo is developed and operated by Sina Company. Weibo is a form of social media, which allows users to post short articles, pictures, videos and other content, and communicate and interact with other users. Sina Weibo is one of the largest Weibo platforms in China, with a huge user base and rich social functions.