Shuowen Tongxun Dingsheng 說文通訓定聲, as a representative work by Zhu Junsheng who is a famous expert in study of Shuowen Jiezi 說文解字(hereafter Shuowen) in Qing Dynasty, consists of three parts: Shuowen 說文, Tongxun 通訓, and Dingsheng 定聲. This book in Shuowen the part is based on the word meaning system, and corrected the error of explaining the original meaning. It includes the following eight types: 1. corrected the error of explaining the original meaning of Shuowen because of the wrong glyph analysis; 2. corrected the error of explaining the original meaning of Shuowen because of the philosophical thoughts of yin and yang five elements; 3. corrected the error of explaining the original meaning of Shuowen because the intending meaning is wrongly regarded as original meaning; 4. corrected the error of explaining the original meaning of Shuowen because the loaning meaning is wrongly regarded as original meaning; 5. corrected the error of explaining the original meaning of Shuowen because the contextual meaning is wrongly regarded as original meaning; 6. corrected the error of explaining the original meaning of Shuowen because the meaning of continuous words is wrongly regarded as original meaning; 7. corrected the error of explaining the original meaning of Shuowen because the meaning of overlapping words is wrongly regarded as original meaning; 8. corrected the error of explaining the original meaning of Shuowen because the language source meaning is wrongly regarded as original meaning. The value and significance of these researches lie in helping to use materials in Shuowen correctly and scientifically, and helping to understand the way of interpretating Shuowen.