Based　on　the　advanced　geology　forecast　by　seismic　reflection　method　at　Tingzhou　Tunnel　in　Ganzhou-Longyan　Railway,　fifty-seven　selected　seismic　records　are　used　for　investigation.　Within　the　segments　of　excited　seismic　wave　in　the　surrounding　rock,　the　differences　of　the　shear　wave　velocity　in　horizontal　and　vertical　directions　are　analyzed　statistically,　separately.　Additionally,　the　anisotropy　of　surrounding　rock　is　also　considered.　It　can　be　seen　from　the　results　that　when　the　shear　wave　velocities　in　horizontal　direction　vary　from　in　vertical　direction,　shear　wave　anisotropy　presences　in　different　degrees　in　the　surrounding　rock.　Vertical　shear　wave　velocities　are　generally　higher　than　the　horizontal　ones,　and　the　most　of　shear　wave　anisotropy　coefficients　are　within　±10%.　It　is　found　that　the　anisotropy　coefficients　of　dynamic　elastic　modulus,　dynamic　shear　modulus　and　dynamic　Poisson　ratio　are　in　the　ranges　from　-15%　to　15%,　from　-20%　to　20%,　from　-20%　to　15%,　respectively.　The　anisotropy　degree　of　surrounding　rock　depends　on　the　grade　of　surrounding　rock,　seismic　longitudinal　wave　velocity　and　the　buried　depth　of　tunnel.　The　anisotropy　coefficient　of　shear　wave　and　its　discrete　degree　are　relatively　higher,　when　the　seismic　longitudinal　wave　velocities　are　between　3　800　and　5　000　meters　per　second　or　when　the　buried　depth　of　tunnel　is　between　60　and　100　meters.　Among　the　tests　conducted　on　the　surrounding　rock　of　grades　II-V,　it　is　noted　that　the　shear　wave　anisotropy　and　its　discrete　degree　is　the　highest　in　surrounding　rock　of　grade　IV,　but　is　the　lowest　in　the　surrounding　rock　of　grade　II.　©　2016,　Academia　Sinica.　All　right　reserved.