The author worked in the ancient calligraphy and painting department of the Palace Museum for professional practice in September2012to March2013, lasting half year but excluding winter vacation time. During this period, I worked as an intern in business and an academic researcher at the same time. This internship report is the summary of two parts.Learning museum business is a necessary content for the professional internship. The author was involved in the work of publishing "Complete Works of Two Wang"(《二王全集》)and "Complete Works of Lanting Xu"(《兰亭全集》)when my units began to do that. The author based on RongGeng’s "The Contents of Congtie"(《从贴目》), including systematically sorted out and researched the calligraphy of two Wang(二王),and wrote some character biographies. From September to November, the author held weekly regularly participate in the interactive activities of ancient painting and calligraphy copy replication and mounting techniques, learned traditional mounting art of calligraphy and painting at the same time.Beside the business study, the author also carried out a certain level of academic research. Combining with the two Wang’s data on hand, the author focused on the two Wang calligraphy problems during the period of graduate studies and made it as special topic, and then wrote three small texts, as the body content for the internship report. In the paper, the author combed the venation of the famous Lanting Xu from birth to being a distinguished model of calligraphy for practice, and simply introduced the "argumentation about Lanting Xu"(“兰亭论辩”)in the sixties and seventies of the20th century in addition; Secondly, the author gathered the ten unearthed epigraphs of Wang Clan in Langya in the Eastern Jin Dynasty, and them be classified according the Calligraphy Style; Lastly, revolving around the problem that if Wang Danhu married or not, the author summarized the writing style of the thirteen unearthed female epitaphs in the Eastern Jin Dynasty and analyzed the reason why Wang Danhu unmarried from the view of beliefs.