Do you need a master to learn calligraphy, Chinese painting, oil painting and other arts to get a qualitative improvement?

Not necessarily. It depends on your understanding-learning from the master may be faster-and on the learning mind of the master-the learning methods taught to you-

First of all, whether you really like it or not, and whether you have the talent in this field or not, you should read a lot-paper media and electronic media-what is Tao-law, law, reason and rules-through reading-solve the problem of understanding first-reading, painting and oil painting-history, theory and overview.

Go to professional websites and forums and read professional journals-pay attention to industry trends and exhibitions-

See professional exhibitions sponsored or co-organized by various associations-

Is a teacher a good teacher-knowledge, mind, methods-is he good at learning-can he learn-

It depends on your age and your purpose.