The PhD in Mathematics at Xidian University (XIDIAN) is a comprehensive four-year program designed for international students seeking advanced mathematical studies. Delivered in English, the program accommodates a diverse array of students from various educational backgrounds. Throughout their studies, students will explore a wide range of mathematical fields, including pure mathematics, applied mathematics, and computational mathematics. The curriculum is structured to provide a strong theoretical framework while also honing practical skills essential for addressing real-world challenges. Participants will engage in innovative research projects that contribute to current mathematical understanding and applications. The faculty comprises distinguished mathematicians dedicated to mentoring students, fostering critical thinking, and nurturing creativity essential for aspiring mathematicians. Collaboration is emphasized, allowing students to work closely with peers on research initiatives, which helps build a supportive academic community. Additionally, Xidian University offers modern facilities equipped with state-of-the-art technology to facilitate advanced research. Located in Xi'an, a city steeped in history and culture, students will have opportunities for unique educational experiences and professional networking. Graduates will emerge well-prepared to pursue careers in academia, industry, and research institutions, contributing to the advancement of mathematics and its global applications.