An integrated wall-mounted base includes a wall-mounted base body which is provided with a water inlet connection part, a water outlet connection part, a upright column installation part, press-button switches, and a shower holder installation part. The water inlet connection part is connected to one water inlet pipe, the water outlet connection part is respectively connected to two water outlet pipes, the water inlet connection part is communicated with the water outlet connection part, and the press-button switches control opening and closing of flow passages of the two water outlet pipes. The upright column installation part is internally configured with a upright column for connecting and supporting a top shower, and an adjusting component is configured to fasten or release the upright column, as so to freely adjust a height of the upright column. The shower holder installation part is provided with a rotatable shower holder.