The present invention relates to a method or an operation for providing a personalized TV-Anytime metadata service. According to an embodiment of the present invention, there is provided a method of deleting user metadata managed by a TV-Anytime metadata server using a SOAP operation, comprising the steps of a) providing an element type of a SOAP delete operation, the element of the SOAP delete operation including at least a first sub-element for designating user identifier information, b) receiving the element of the SOAP delete operation, in which the user identifier information is designated, from a client of a user, and c) identifying the user on the basis of the user identifier information in the received element of the SOAP delete operation and deleting user metadata about the identified user.