In this study， bamboo shoots were used as raw materials to prepare dietary fiber by cellulase hydrolysis. Then the basic physical properties， monosaccharide composition， structure properties and functional properties of the three dietary fibers were determined. The results showed that the soluble dietary fiber（SDF） had smaller particle size， uniform morphology， large specific surface area and good fluidity， while the total dietary fiber（TDF） and insoluble dietary fiber （IDF） showed irregular flaky structure， compact structure and poor fluidity. It could be seen from the monosaccharide composition that SDF was mainly composed of arabinose （24.64%） and galactose （38.05%）. TDF was mainly hydrolyzed to produce xylose （42.63%） and mannose （33.05%） and the content of xylose （41.77%） in the IDF hydrolyzate was the highest. All three dietary fibers had infrared characteristic absorption peaks of sugars. TDF and IDF have better crystallinity and thermal stability than SDF. SDF exhibited better hydration， cation exchange（0.56 mmol/g） and sodium cholate adsorption capacity （29.73 mg/g）， while TDF and IDF had stronger adsorption capacity for NO2- than SDF.