The invention discloses a fairlead mounting method for a high teleseme. The fairlead mounting method comprises the following steps: a first flange plate to be mounted at the outer side of a preformed hole of a column and at the preformed hole of an XB box is manufactured; a second flange plate to be mounted at the inner side of the preformed hole of the column is manufactured; the second flange plate is plugged to the inner side of the wall body of the column, and a fastener is mounted; a bendable hose with required length is taken, and a threaded movable joint is mounted on the hose; a teleseme wire is threaded downwards from the top end of the column and is extended out of the bendable hose via the flange plates; the flange plates are fixed on the preformed hole of the column and are in threaded connection with the threaded movable joint, so that the bendable hose and the preformed hole of the column are fixedly connected; and a box cover of the XB box is opened, the bendable hose is fixedly connected with the preformed hole of the XB box according to conventional procedures. With the fairlead mounting method, the potential quality hazard of the column is eliminated, the project quality is ensured, the working efficiency is improved, the labor force is saved, and furthermore, as openings are not needed to be machined again, the damage to the appearance of the column is avoided.