1. First, choose handwritten or simple fonts, such as Song Ti and Kai Ti, which can make the words look clearer and easier to read.

2. Then don't write the words too small and too big, and the size is moderate, which will make the whole mind map look more harmonious.

3. Then make sure the handwriting is clear, and don't scribble or be vague, which will make the mind map easier to read and understand.

4. Then you can mark different concepts or branches with different colors, which can make mind maps more vivid and interesting.

5. Then you can add some simple figures or symbols to the mind map, such as arrows and boxes, which will make the mind map more intuitive and easy to understand.

6. Finally, don't add too many details or notes to the mind map, keep it simple and clear, which will make the mind map easier to remember and understand.