Editors of complete sets of systematic training materials should pay attention to the overall arrangement of the materials, with emphasis on the overall framework design and the connection of each link. The editing principles and requirements of training materials include: goal-oriented, clear and concise, reasonable structure, diversified teaching resources, feedback and evaluation, timeliness and renewability, accessibility, feedback and improvement.

( 1)? Goal orientation:

The compilation of teaching materials should have clear learning objectives and target audiences. According to learners' background and goals, the content, language and difficulty of teaching materials should be reasonably selected to meet learners' learning needs.

(2)? Concise and clear:

Textbooks should present knowledge in a clear and concise way. The language should be accurate, concise and easy to understand. Avoid using complicated terms and sentence structures to ensure that learners can easily understand and digest the contents of the textbook.

(3)? Reasonable structure:

Textbooks should have a good organizational structure. There should be a clear logical relationship between chapters and themes to facilitate learners' learning and navigation. Use titles, abstracts and key tips to help learners organize and master key information.

(4)? Diversified teaching resources:

Textbooks should contain rich teaching resources, such as cases, case analysis, exercises, etc. These resources can help learners consolidate what they have learned and apply it to practical situations.

(5)? Feedback and evaluation:

Textbooks should provide feedback and evaluation mechanisms to help learners test their academic performance. This can include answer analysis, mock exams, homework, etc. Promote learners' self-evaluation and further learning.

(6)? Timeliness and reproducibility:

Teaching materials should keep pace with the times and reflect the latest knowledge and development trend in time. At the same time, the teaching materials should be renewable, so that they can be modified and updated at any time to maintain their accuracy and effectiveness.

(7)? Accessibility:

Teaching materials should have good accessibility, including forms that are easy to obtain and use. It should provide various media forms to meet the learning styles and needs of different learners.

(8)? Feedback and improvement:

Textbook writers should actively listen to readers' feedback and make improvements according to the feedback. This will help to continuously improve the quality and adaptability of teaching materials.