1, to prevent being cheated: Some criminals will take advantage of the opportunity of star signature to cheat, so you can avoid being cheated by bringing your own pen.

2. Protect the star's privacy: If you use the pen provided by the star, some lawless elements will analyze the star's signature habits through handwriting, thus infringing the star's privacy.

3, to avoid cross-infection: many people will use the star's pen, and bringing your own pen can avoid cross-infection and be more hygienic.

4. Show respect for the stars: Bringing your own pen can show respect for the stars, and it can also be convenient for the stars to sign.