Several issues faced in the process of bioremediation were discussed in this paper, which are included as below: The principal and condition for the introducing of foreigner microbial; Mechanisms of suitability for microorganisms in the bioremediation process and the factors that influenced the degradation of pollutants; The correlations between the concentration of pollutants and their bioremediation; The secondary pollutants in the process of degradation of organic chemicals; The technology amplification of bioremediation technique on situ or/and in situ; the leaching process of contaminants; The Eco-toxicological diagnosis and evaluation for bioremediation technology and so on in order to enhance the realization for problems existed in the process of bioremediation and make it possible for more effective application of the bioremediation technology.
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