潘子欣,在天津近代史上是个非常奇特的人物,被人称为潘七爷,一生结交清代皇室、北洋军阀、敌特汉奸、地痞流氓,三教九流,无所不交,素有“南杜北潘”之说。但他与杜月笙有所不同,他不入帮,也不收徒弟。他与著名的知识分子、爱国人士、国民 Panzi Xin, in the modern history of Tianjin is a very peculiar figure, known as Pan Qiye, life to pay the Qing Dynasty royal family, Northern Warlords, enemy traitors, local ruffian, cronies, all-you-yourself, known as "Said. But he and Du Yuesheng different, he does not help, do not accept disciples. He and famous intellectuals, patriots, nationals