Shengxuan is unprocessed, with strong water absorption and clear water, which is easy to produce rich Mo Yun changes and is more suitable for ink painting. But because the pen is fixed, ink and wash ooze quickly and it is not easy to master.
Cooked Xuan is coated with alum when it is processed, so the paper is harder than raw Xuan, and its water absorption capacity is weak, and the ink color will not spread when it is used. More suitable for meticulous painting and calligraphy.
Half-cooked mystery is somewhere in between.
Writing regular script generally uses familiar or semi-familiar propaganda. Which one to use depends on what the individual is suitable for. Everyone has different preferences. And the quality of rice paper produced in different places is different. You can try different familiar propaganda and use the one that is most convenient to write.