Abstract: At present, the composition of water environmental pollutants is complex, and it is difficult to classify and remove the heavy metal pollutants and recycle them using the common chemical precipitation method, resulting in a large number of hazardous wastes that pollute the environment and require secondary treatment. The substrate chitosan gel microspheres were modified through ion-imprinted technology to synthesis of CTS-IGB, and subsequently employed as adsorbents for Cr (VI) removal selectively from single Cr (VI) solutions and simulated electroplating wastewaters. The results indicated that the Cr (VI) adsorption capacity of CTS-IGB reached 37.4 mg/g and 44.3 mg/g in single Cr (VI) solution and simulated electroplating wastewaters, respectively, when the pH was 3 and temperature was kept at 20 ℃. And the semi-saturated time were 5.3 minutes and 5.6 minutes, respectively. The experimental Cr (VI) adsorption data well agreed with pseudo-second-order kinetic model. Freundlich isotherm model can best describe the equilibrium data of Cr (VI) adsorption. The thermodynamics parameters indicated that Cr (VI) adsorption on CTS-IGB was spontaneous, thermodynamically favorable and exothermic, and decreased at random. Comparing with the pristine chitosan gel microspheres, the Cr (VI) selective adsorption coefficient of CTS-IGB was increased by 32%~74% in the presence of coexisting ions. The CTS-IGB can be used as a potential adsorption material for the separation and recovery of Cr (VI) in polluted water environment.