Against the background of "Internet plus", new ideas emerge in the development of all trades and professions. Relying on Internet platform's characteristics of rapid spread, wide spread and multitudinous spread carriers, Internet can help many traditional industries establish innovative marketing system to change marketing channel, marketing strategy and obtain business opportunity in market. Of course, house property is a kind of special commodity and its single product's deal amount of money is large. In most cases, the deal needs the participation of financial institute, so it can't be finished online. This requires that when real estate enterprises make marketing strategies, they need consider enterprise characteristic, product type and the spread way of Internet channel to choose suitable marketing plan. This essay is to fully elaborate the characteristics of Internet and analyze the deep-going real estate Internet marketing strategy against the Internet background.