1. Clarity of the chart: Make sure that the chart is clear and easy to read, the text and lines are of moderate thickness, and the color contrast is obvious. Avoid using too complicated chart types, so as not to increase the difficulty for readers to understand.

2. Title and comments of the chart: provide a concise title for each chart to summarize the main contents of the chart. Add notes at the bottom of the chart to explain data sources, units, variables and other related information, so that readers can better understand the chart.

3. The position and number of the chart: put the chart near the text related to its content, which is convenient for readers to find and refer to. Assign a number to each chart and quote the number in the text for readers to track and quote.

4. Format and style of charts: Follow the format requirements of journals or academic conferences, such as font, font size and line spacing. At the same time, keep the style of the chart unified, such as line style, color matching and so on.

5. Zoom and crop the chart: Zoom and crop the chart as needed to better display data and trends. However, excessive scaling or cropping should be avoided, so as not to affect the accuracy and readability of the chart.

6. Arrangement and combination of charts: arrange the arrangement order of charts reasonably to make them echo each other with the text content. For several related charts, consider combining them into a composite chart to reduce the length and improve readability.

7. Copyright and citation of charts: ensure that the data and pictures used are authorized and comply with copyright laws and regulations. When quoting other people's charts, you should indicate the source and give references.

8. Revision and improvement of charts: In the process of writing the paper, the charts are revised and improved according to feedback and peer review opinions. Ensure that the chart can effectively support the views and arguments of the paper.