This invention discloses a method for searching information by short messages including the following steps: a user submits an information search request in the way of short message, after a SMSC receives the short message, it transfers it to a SMG, which routes it to a short message search engine to enquire the short message content based on said information search request then to feed back the result to the user by SMG and SMSC in short message. This invention also discloses a system for information search and uses key words to search service information. |