求學期間，曾喺橡膠廠、砂輪廠同藥廠打工，22期預官退伍後喺復興航運公司上班。1974年，郭臺銘獲得母親以標會取得嘅新臺幣二十萬元資助，其中十萬元用喺結婚，另十萬元同十名員工成立「鴻海塑膠企業有限公司」並任董事長，從黑白電視機旋鈕製造起家。1981年，鴻海塑膠成功開發出個人電腦連接器產品，從此轉型生產個人電腦連接器。1982年，鴻海塑膠改名「鴻海精密工業股份有限公司」，資本額新臺幣1600萬元。
During his studies, he worked in a rubber factory, a grinding wheel factory, and a pharmaceutical factory, and worked at Fuxing Shipping Company after being discharged from the army in the 22nd term. In 1974, Terry Gou received a grant of NT$200,000 from his mother, of which $100,000 was spent on marriage, and another $100,000 and 10 employees established "Hon Hai Plastic Enterprise Co., Ltd." and served as the chairman, starting from the manufacture of black-and-white TV knobs. In 1981, Hon Hai Plastics successfully developed personal computer connector products, and since then it has transformed into a personal computer connector production. In 1982, Hon Hai Plastics was named "Hon Hai Precision Industry Co., Ltd.", with a capital of NT$16 million.