In general, a tax agent is a person provides taxation services, such as tax return or tax payment or dispute resolution, for an individual or an enterprise. As the changing and complex of the taxation system, the demand of professional tax agents is now getting greater. Nowadays, not only accountants and book keepers, but more and more lawyers have begun providing taxation agency services. However, once a tax agent fails to perform his duty successfully, he might be obligated to pay the outstanding taxes. To be worse, the tax agent might be therefore forbidden to departure. This article preliminarily categorized some taxation risks which often occur as a lawyer practice the taxation agency services. In the end, this article will also suggest some possible remedies for the taxation risks aforementioned.