Training experience is your educational experience. Write down the skills and courses you learned during the training, write down your feelings after the training, and write down what you learned and what you are good at.
Resume mainly includes personal information, educational experience, self-evaluation and project experience. Generally 2~3 pages is appropriate.
Don't write too much personal information, just write out the main information, too much will be messy.
Education experience: university (you can write about the awards you won in university), training experience (write your summary after training), etc.
Self-evaluation: Write out your strengths and let others know what you are good at and what you can do. Try not to write the shortcomings, and don't be ridiculous about the advantages. Try to write euphemistically, modestly and confidently.
Project experience is the most important, which is what recruiters mainly look at. Choose 3 to 4 words to describe the project name, development environment, use technology, project description and project summary, and it will be OK.