The　spherical　lignin　beads,　denoted　as　SLB,　were　prepared　by　applying　reverse-phase　suspension　polymerization　technique.　The　cyanoethyl　spherical　lignin　adsorbent,　denoted　as　SLBA,　was　prepared　by　grafting　acrylonitrile　monomer　onto　lignin　beads　using　Fe2+/H2O2　as　initiator.　The　adsorption　behavior　of　methylene　blue　solution　on　SLBA　was　studied.　And　the　effect　of　the　adsorbent　dosage,　time　and　solution　pH　value　on　adsorption　was　investigated.　The　results　concluded　that　the　adsorption　kinetics　process　was　conformity　with　the　second　kinetics　model.　SLBA　showed　excellent　adsorption　performance　for　methylene　blue　at　the　solution　of　pH　7,308K　for　1　h　and　the　removal　rate　of　methylene　blue　reached　to　98%,　its　maximum　saturated　adsorption　capacity　reached　87.0　mg/g,　and　the　adsorption　process　was　in　accordance　to　the　Langmuir　and　Freundlich　equation.　Additionally,　the　whole　process　belonged　to　spontaneous　and　exothermic　reaction　process,　it　mainly　was　physical　adsorption　by　the　porous　structure.　©,　2015,　China　Technical　Association　of　Paper　Industry.　All　right　reserved.