Abstract: Most Knowledge workers have strong career commitment and weak organizational commitment. How to simultaneously improve the career commitment and organizational commitment has been puzzling the human resources management practice all the time. Taking training as the starting point, analyzing the obtained 385 valid questionnaires and introducing career commitment as mediator and internal employability as moderator, this study explores the influence mechanism. Research results show that:training is positively related to both career commitment and organizational commitment of knowledge workers, career commitment partly mediates the relationship between training and organizational commitment, internal employability moderates the relationship between training and organizational commitment, and the relationship between career commitment and organizational commitment.

Key words: knowledge worker, training, organizational commitment, career commitment, internal employability