Professor Xing's Basic Organic Chemistry is very substantial. As far as the knowledge system is concerned, step by step is more suitable for beginners. However, all the articles in the self-study exam "may take time, after all, the length is still relatively long." When I participated in the high school competition myself, I taught myself all the articles of organic chemistry in High School Chemistry, which were written by Liu Zaiqun. The content of this book is highly summarized, but there will be some difficulties for beginners. You can watch it in combination with Xing Daben, or think while watching it, skip the part you don't understand for the time being, and then understand the method I adopted before after reading part of it. However, it should be noted that you can't believe all the contents in the book. At least as far as I'm concerned, both of these books have some flaws. For example, some naming examples in Xing Daban are inconsistent with the naming rules described in the book; For example, there are many substitution reactions between tertiary alkyl halides and sodium or potassium alcoholates in study notes, and so on. In a word, the knowledge system of organic chemistry is so huge that it is inevitable to be neglected when compiling teaching materials, especially for self-learners. In addition to the above two books, among the foreign organic chemistry textbooks I have read, I admire Forhad and Carey. Many of the former understand the organic reaction process from the perspective of energy through a coordinate diagram, which is very worth reading. The latter has a Chinese translation. If we need to know more about organic chemistry, we recommend the strategic application of naming reaction in organic synthesis. There seems to be a guide book published in China, but it seems that only the title is in Chinese, and there is also a pdf with links on the Internet. This book can help you better understand the reaction mechanism and application of 250 commonly used organic names, which is of great significance to the practice of organic synthesis.