This dataset is the supporting data for "Happiness and its Discontents: The Pursuit of Xingfu among Young Adults with Intellectual Disabilities in Shenzhen". The work was conducted from March 2021 to August 2022 from 16 research informants with intellectual disabilities. Three research methods were applied, including semi-structured interviews, ethnographic observation and photovoice. The dataset includes the 818 photographs collected from photovoice research method and 14 interview transcripts and recordings and a file of fieldnotes, which are confidential for my research informants' interests.