A multifunctional television background wall comprises a wall body. The middle of the wall body is provided with a television groove. A left cultivation groove and a right cultivation groove are formed in the positions, on the two sides of the television groove, of the wall body. Sound box grooves are formed in the upper portion of the left cultivation groove and the upper portion of the right cultivation groove. A sheet box body is installed in the television groove. The interior of the box body is hollow. The box body is internally provided with a plurality of vertical partition plates which are arranged in a staggered mode. The front portion of the box body is provided with a plurality of heat-conducting fins which can be inserted into heat dissipation holes of a television. A tropical fish tank is fixedly installed in the left cultivation groove. A common fish tank is installed in the right cultivation groove. The tropical fish tank and the common fish tank are both fish tanks. The upper portion of each fish tank is provided with a bracket. The brackets are fixedly installed on the wall of the left cultivation groove and the wall of the right cultivation groove and are provided with plant cultivation pots. According to the multifunctional television background wall, fishes (common fish, tropical fish and the like) and plants can be cultivated on the two sides of the wall body; the diversity of the interior of a room is effectively improved; the plants are preferably sciophilous plants; the interior of the room is purified by the plants; and the indoor air quality is improved.