1. Learn the theory first and understand the three major components: plane component, color component and three-dimensional component.

2. Re-learn hand-drawing, sketch and watercolor. You don't need to be proficient, but you'd better be able to draw a visible sketch.

3. Re-learn software, PHOTOSHOP, ILLUSTRATOR and CORELDRAW must be mastered.

You know the following basic experience: professional knowledge, you must have a certain understanding of printing, and you can typeset, bleed, cut lines, braid hair, print, UV, bronzing, engraving and so on. Not necessarily, but you must know, in addition, the resolution and material of inkjet printing. ...