Halloween costumes range from traditional ghosts and witches to pop culture characters, and everyone can choose a costume to suit their preferences. Here are some common Halloween costumes:

1. Classic ghosts: such as vampires, zombies, ghosts, witches, black cats, etc., these costumes are usually black and white, creating a mysterious and scary atmosphere.

2. Superheroes: such as Batman, Superman, Iron Man, Spider-Man, etc., these costumes are usually colorful and unique in shape, showing the strength and sense of justice of superheroes.

3. Cartoon characters: such as Pikachu, Hello Kitty, SpongeBob Squarepants, etc., these costumes are usually bright colors and cute shapes, attracting many young people and children.

4. Movie and TV characters: such as "Harry Potter" characters, "Game of Thrones" characters, "Star Wars" characters, these costumes usually require more details and accessories to restore the character's image.

5. Creative and funny costumes: such as funny animals, food, professionals, etc., these costumes are usually humorous and creative, bringing joy and surprise to people.

6. Horror and thriller costumes: such as bloody ghosts, skeletons, aliens, etc., these costumes are usually more scary and scary, suitable for people who like excitement.

7. Couples and families dress up: such as princes and princesses, pirates and mermaids, parents and children dress up together, etc., these dresses increase interaction and fun.