For the two cases，that is，individual vertical compressive load and combined horizontal compressive load，the numerical analysis method is adopted to systematicly study the bearing behaviors of branch pile，including settlement，distribution of shaft axial force and branches＇friction etc． The magnitude of vertical bearing capacity of branch pile is further obtained． The research shows that the axial force of pile decreases with the increase of depth，and decreases obviously at the upper and lower sides of the branches． Compared with individual compressive load，when the load is less，the settlement is greater at the top of the pile which is borne combined load． The existence of horizontal load has an effect on bearing capacity of branch pile， which makes bearing capacity of branch pile increase slightly，but not too large．