Very necessary. Enrolling in classes can systematically improve your hand-drawing ability, prepare for your professional hand-drawing exam for postgraduate entrance examination, and get in touch with others earlier. After all, if you seize the opportunity first, you will learn more and have more possibilities than your competitors. If you are not that kind of genius, you can only be a bird. As a postgraduate entrance examination experience, I tell you that postgraduate entrance examination is a race against time, and you will always be firm in your goals. In the back, you will find that time is getting shorter and shorter. Come on! I hope my advice can help you. ? I learned it from Adam's hand painting in Nanchang. Not bad. I suggest you try.