Why can't the words and poems written by calligraphers be understood?

There are four reasons: first, traditional Chinese characters such as regular script; Second, the abbreviation of the word is like cursive script; Thirdly, the hieroglyphics of seal script in Qin and Han dynasties; He made a mistake (this is true, which is usually indicated in his signature). Solution: there are generally simplified words, read more and remember more; Secondly, remember the differences between ancient and modern radicals and compare them; Also, hieroglyphics are meaningful. In short, watch more and practice more.