摘要：In Yulin dialect,there are three usages of“ji(几)”:interrogative pronouns,numerals,and degree *** used as an interrogative pronoun,it is generally used to inquire about the number and degree where the inquiry number is generally small,but the number can be large when it is used in asking about *** used as a number,it can represent not only integers between one and ten,but also decimal *** used as a degree adverb,there are rich syntactic formats such as“ji(几)+verb”,“ji(几)+adjective”,different formats indicating different *** with Mandarin,the usage of Yulin dialect“ji(几)”is more *** also analyze the use of“ji(几)”from a diachronic perspective and finally we propose that due to the reanalysis of the syntactic format and the change of semantics,the“ji(几)”is further grammaticalized from interrogative pronoun to degree adverb.