Which subway should I take from Hanyang to Xu Dong, Wuchang?

The query results of Baidu map of three lines show that Wuchang Xu Dong Shangzhongping Price takes the No.3 subway from Hanyang. Subway is a kind of fast, large-capacity and electric traction rail transit built in cities. Trains run on fully enclosed lines, the lines located in the central city are basically located in underground tunnels, and the lines outside the central city are generally located on viaducts or on the ground. The English name is metro (Underground Railway). Subway is a high-density and large-capacity urban rail transit system, covering all kinds of underground and above-ground road rights in urban areas. The subway in Taiwan Province, China Province is called "MRT".