1. Read and learn excellent practical papers: Reading and learning high-quality practical papers can help you understand how to organize and express your opinions effectively. These papers are usually clear in structure, strict in logic and concise in language.

2. Enlarge your vocabulary: A rich vocabulary can make your writing more expressive and accurate. You can improve your vocabulary by reading, memorizing vocabulary cards or using vocabulary learning software.

3. Practice writing: Writing is a skill that needs to be improved through a lot of practice. You can write some practical papers regularly, and then ask teachers or classmates for feedback, so as to improve your writing level.

4. Participate in writing workshops or courses: Many schools and communities have set up writing workshops or courses, which can provide professional writing guidance and help you improve your writing level.

5. Learn grammar and sentence patterns: Good grammar and sentence patterns can make your paper more convincing. You can improve your grammar by reading grammar books, taking grammar courses or using online grammar tools.

6. Get feedback: Let others read your paper and provide feedback is an important step to improve your writing level. They may point out mistakes that you didn't notice, or make suggestions for improving your paper.

7. Revise and edit: Writing is not only to write down your ideas, but also to modify and edit your work to ensure that it is the best. You can revise your paper many times until you are satisfied.