Around the Opium war, an essential change of the relation and the position between China and the West had taken place, which can be reveales through, the Most Favored National Treatment and Extrateritoriality, ect.

• 鸦片战争前后,中西方的关系、位发生了一个质的变化,能够反映这种变化的有许多方面,如最惠国待遇、事裁判权等。