Mechanical engineer is a profession with broad employment prospects and high salary level. Mechanical engineers have professional knowledge and skills in designing, manufacturing, maintaining and improving mechanical equipment. They can find jobs in various industries, such as automobile manufacturing, aerospace, energy and so on. The work of mechanical engineer needs profound theoretical foundation and practical experience, and needs to master computer-aided design and simulation technology, as well as knowledge of material science and engineering mechanics. In contrast, the career development of production interns is relatively limited. Production interns usually receive training in enterprises to learn production processes and operational skills. Although this kind of occupation can provide some employment opportunities, compared with mechanical engineers, the salary level and career development space are limited. So all things considered, mechanical engineers are better.