There are two research purposes of this study. One is to explore which psychosocial issue or biological issue would affect the social function among people with schizophrenia. The other one is to explore which social function would affect the job tenure among people with schizophrenia. There are 60 participants diagnosed with schizophrenia and divided into two groups, employment and unemployment. we will use several social function tests to collect social function, PANSS to evaluate their psychotic symptoms. And then we will compare and analysis the data through statistic software. Finally, we will have he answer about how social skills affect the social function and which social skill would affect the job tenure among people with schizophrenia.