During the May 30th movement in 1925, Britian was attacked by China.After that, Chinese Anti-Imperialism Movement became served.Under this circumstance, the politicians and businessmen in Britain launched a fierce debate.At the end of 1926, Britain announced "Christmas Memorandum" and showed a compromise attitude.It took a decolonization process step.Britain's behavior was to ensure continued colonial interests in China.Britain's denolonization is essentially a paradox result of its colonizing other states.