Sodium-ion　batteries　are　attracting　increasing　interests　as　a　promising　alternative　to　lithium-ion　batteries　due　to　the　abundant　resource　and　low　cost　of　sodium.　Despite　phosphorus　(P)　has　extremely　high　theoretical　capacity　of　2595　mAh　g(-1),　its　wide　application　for　sodium-ion　battery　is　highly　hampered　by　its　fast　capacity　fading　and　low　Coulombic　efficiency　as　a　result　of　large　volume　change　upon　cycling.　Herein,　a　robust　phosphorus　anode　with　long　cycle　life　for　sodium-ion　battery　via　hybridization　with　functional　conductive　polymer　is　presented.　To　this　end,　the　polyacrylonitrile　is　first　dehydrogenated　by　sulfur　via　a　facile　thermal　treatment,　forming　a　conductive　main　chain　embedded　with　C-S-S　moieties.　This　functional　conductive　polymer　enables　the　formation　of　PS　bonds　between　phosphorus　and　functional　conductive　matrix,　leading　to　a　robust　electrode　that　can　accommodate　the　large　volume　change　upon　substantial　volume　change　in　cycling.　Consequently,　this　hybrid　anode　delivers　a　high　capacity　of　approximate　to　1300　mAh　g(-1)　at　a　current　density　of　520　mA　g(-1)　with　high　Coulombic　efficiency　(＞99%)　and　good　cycling　performance　(91%　capacity　retention　after　100　cycles).