What expertise is required in the party application form is the person’s expertise in majors, literature and art, sports, computers, foreign languages, etc. Do not fill in hobbies. The specific filling conditions are as follows: have professional skills in a certain field or Knowledge can be written down, such as programming, design, marketing, management, etc. Then, write about activities or hobbies that you are good at, such as music, painting, sports, writing, etc.