The main business model focuses on carbonated springs, Japanese culture, private baths in traditional Japanese rooms, and health and wellness. The first store officially opened in Nanjing in December 2016. Within a short period, Sishi Tang's first hot spring bathhouse ranked among the top three most popular bathhouses in Nanjing. Many out-of-town visitors have come to experience it based on its reputation.

The second Si Shi Tang store at Fuzimiao and the store in Ningbo, Zhejiang, have also opened successively and received excellent customer feedback.

Solidifying Si Shi Tang’s position as the leading bathhouse chain brand in the city. In the same year, Si Shi Tang’s first store in North China, Tianjin Shishi Tang, also began operations, quickly securing the No. 1 spot in customer satisfaction rankings for bathhouses in Tianjin.

 Laomendong store and t Hangzhou store meet everyone as scheduled by the end of the year. 

 In the second half of the year, Si Shi Tang's first Black Diamond store in Qingdao, Shandong, officially began operations. Despite opening during the traditional off-season for bathhouses, it quickly became very popular, receiving much love from consumers in Shandong and the surrounding areas.

In Chengdu, the first “Black Diamond Quality”Si Shi Tang store in the Southwest market has begun trial operations. During the trial period, it has received great acclaim from local consumers in Chengdu.