The Prasad-Sommerfield-like, colorless anl finite-mass dyon anolytic solution in SU(5) grond unified model is found. It is the only physical dyon solution so far.

• 在SU(5)大统一模型中找到了一组P-S型的、无色的、能量有限的双子解的解析形式,这是目前见到的唯一真正物理的双子解。