朱“字本义，今传世家徐铉校定本《说文解字》曰；”赤心术，松柏属．从木，一在其中。“唐《刊谬补缺切韵》中释作”赤“或”丹“①，徐谐《说文解字叙传》训作”赤心木之总也“．追至清代，说文四大家对于”朱“字训释或主赤或主木，皆承前人之旨．此后，释”朱“新说纷纭而出，迄今而无定 Zhu ”the original meaning of the word, the virtuous family Xu Xuan school this“ Shuowen Jiezi ”said; “ Chi heart surgery, coniferous. From wood, one in it. ”Tang“ published in the absurd cut the cut rhyme ”in the interpretation of“ red ”or “ Dan ”①, Xu harmonic“ Explain Word Character Description ”training “ Chi heart also ”chase In the Qing dynasty, the four texts of the Qing dynasty were interpreted by the members of the Chinese government as “Zhu”