A tumor-targeting gas-generating nanoparticle, a method for preparing same and a tumor-targeting nanoparticle for drug delivery using same relate to a tumor-targeting gas-generating nanoparticle including a polycarbonate core and a amphiphilic coat, a method for preparing same and a tumor-targeting nanoparticle for drug delivery using same. The method associates the remote location to a user account, and the user account is configurable with settings of a user having the user account. A preferred application of the invention can be found in pulp and paper making industry where various chemicals have to be mixed with fiber suspensions.