1. A method for managing scripts carried out in a script management server which is connected to a user terminal and manages script codes, the method comprising: preparing a plurality of databases including a meta database and a plurality of script databases; designating an active script database by providing a plurality of original script lists to the user terminal; and storing identifiers of the user terminal and the designated active script database in the meta database, wherein the plurality of script databases are classified according to script version and each of them manages the original script code and user-specific script code, and wherein the meta database manages the plurality of original script lists related to the plurality of script databases and a list of user-specific scripts.