A hanger system includes a first part and a second part, which is connected to the first part in different directions. The first part has a first body and a round first hanger and a first housing connected to the first body. The first housing has a first polygonal tapered recess. The second part has a second body with a round second hook, a polygonal tapered end piece, which can be inserted into the first polygonal tapered recess in a desired direction so as to meet different needs in practical use.