The embodiment of the invention relates to a character input
system on a communication terminal, a character
input method on the communication terminal and the communication terminal so as to realize associated input according to local information. The
system comprises an
input method module, a word stock and a local character recording module, wherein the
input method module is used to inquire the word stock according to the input of a user and associate the content to be input by the user; the word stock is used to store character and
phrase information to be inquired by the input method module; and the local character recording module is used to add the character information stored in a local host to the word stock. The method comprises the following steps of: introducing the local character
record into the word stock; receiving the characters input by the user; and inquiring the word stock and performing association. The communication terminal comprises an input module, a display module and a storage module, and further comprises an input method
system used for introducing the character information stored in the storage module into the word stock of the input method system, inquiring the word stock according to the input in the input module, performing the association and displaying an association result in the display module, so the user can select the association result.