The scholars study the employees' performance from the both views of internal marketing and emotional intelligence separately. However, decision making is difficult. The research study the engineers of TFT-LCD industry. Both internal marketing and emotional intelligence influence on employees' job satisfaction, job involvement, job performance positivitly. The total effects of internal marketing and emotional intelligence influence on employees' performance are similar. However, the effects of internal marketing on job satisfaction are higher than emotional intelligence, on the contrary, the effects of emotional intelligence on job involvement are higher than internal marketing.