Of course 1 Be interested in machinery, 2 be interested in mathematics, and have good calculation ability, and keep interested in calculation. If you didn't learn high math well in freshman year, you should choose to change your major as soon as possible, otherwise it will be difficult to learn mechanical related courses in the future. Good spatial imagination, such as seeing the plan, you can quickly imagine the three-dimensional shape, or by observing the three-dimensional shape, you can imagine the plane state of each surface. 4 can endure the ordinary. It is not difficult to find a job in the machinery industry. After all, machinery is the foundation of manufacturing industry, and most industries are inseparable from machinery. However, it is difficult for individuals in the modern mechanical design industry to make relatively high achievements. And the salary is not high, but commuting to the office and workshop requires mental and physical strength.