First to present its ideal (for example, in the future what to the professional and do a top class scholars, the great point can be said to contribute to the motherland, in a certain respect for the country bring about changes, etc.). You can talk about your take on the professional knowledge and looking forward to the future of professional prospects prospective, as well as the contribution made you want to contribute to this research field.Secondly statement how to achieve their ideals your plan. Should be such as what kind of capability ability, learning knowledge and skills that knowledge skills, academic experience, and so on.Finally compliment schools. From the above statement, the University of Hong Kong how how you meet my demand. Especially compared to the Mainland schools, the University of Hong Kong has obvious advantages blablabla ...So I hope you will carefully consider my application I will appreciate that the committee consider my application