1. Name combination: the last name and the first name are combined to form a new four-character screen name. For example, Ou was named "Ouyang Xiaoxiao" and he was named "He".

2. Phonological collocation: according to the phonological characteristics of surnames, choose words that are homophonic or rhyming with them to form a harmonious four-character screen name. For example, Ou's surname can be named "Oule Xiaoyao" and He's surname can be named "He Nianqing Yun".