High Nb containing TiAl alloys possess high specific strength and excellent performance at evaluated temperature, which is the significant development of TiAl intermetallics for applying up to 800 ℃. The directionalloy solidified high Nb-TiAl alloys have huge potential on the blade materials in the next generation aviation engine with a high thrust-weight ratio. Based on the directional solidification (DS) of conventional TiAl alloys, the current status of DS high Nb-TiAl alloys was discussed in this paper. Firstly, the DS methods and mould materials for directionally solidifying high Nb-TiAl alloys were introduced. Then the macrosturcture, the interface morphology and the α2/γ lamella of directionally solidified high Nb-TiAl alloys were elaborated respectively. Further, the cold crucible directional solidification of high Nb-TiAl alloys was presented and the mechanical properties of TiAl alloys were analyzed. Last, the prospect of of DS high Nb-TiAl alloys was outlooked.