This question varies from person to person. If you usually like to write calligraphy in small characters, then you should submit your best works in small characters. You should not write in large characters just because large characters have advantages. This is the best way to do it. What is taboo is equivalent to comparing your own weaknesses with others, and you will definitely not have an advantage. Although large-character works have obvious advantages, they are difficult to write. Small characters can hide clumsiness, but large characters cannot. If some people want to write large-character calligraphy, they have to calm down and write for a year or two before reading. Some famous calligraphers often write small-character works, but one time they wrote large-character works. As a result, many problems were exposed. Others saw that they had a weak foundation, at least they had not practiced large-character calligraphy. There are many such celebrities. If you pay attention, observe , they have almost no large-character works