Sun Xiaoxia's main research fields are jurisprudence, constitutional law and law. Sun Xiaoxia went to Fudan University, where he majored in law, one of the top majors in China. Teachers Sun Xiaoxia and Ji Ligang presented awards to the students who won the Scholarship for Excellent Thesis of Master of Laws, while secretaries Xu Jin and Wang Chuangzhiqiang presented awards to the students who won the Scholarship for Dean of Master of Laws.