This research probe into the meaning and contents of science and technology process skills at elementery level through literature, and proceeding analyse and compare. The study tool is the examined questionnaire by experts of technology process skills at elementery level that the researcher worked out from analysing literature. The grade teachers are the experts whose conception took a sample in this study examine questionnaire. From this study, the meaning of science and technology process skills at elementery level is to train students to possess the basic ability which solve the problem; the contents of science and technology process skills at elementery level are different; they can be applied to different fields though science and technology process skills are different.