Surgical treatment of female pelvic floor dysfunction, laparoscopic surgery for various gynecological tumors, breast-conserving surgery and breast plastic surgery for breast tumors.

He undertook a National Natural Science Foundation of China project and a key project of the Shanghai Municipal Science and Technology Commission. He published several papers in core foreign journals, many of which were included in SCI. He has created multiple surgical techniques such as Tong's dish-shaped mesh sling, Tong's posterior pelvic mesh sling, Tong's total pelvic floor mesh sling, and modified transobturator tension-free urethral interruption sling. Obtained 5 national technology invention patents.

It has been nearly six years since Tong Xiaowen returned to China. Currently, he has devoted himself to cultivating a minimally invasive gynecology team in Shanghai, with Tongji Ganquan Hospital as the mainstay and four tertiary hospitals in Shanghai. Currently, it is the most powerful minimally invasive gynecological team in Shanghai.