The facts after the return of Hong Kong and Macao fully prove that the principle of "one country, two systems" is correct and has strong vitality, which has set a brilliant example for the peaceful reunification of the two sides of the strait. The development of Hong Kong and Macao after the smooth return fully proves that "one country, two systems" has been successfully applied in solving the problems of Hong Kong and Macao, and people have more reason to believe that "one country, two systems" can also be the best way to solve the problems of Taiwan Province Province. On the occasion of the fifth anniversary of Hong Kong's return to China, former British Deputy Prime Minister Geoffrey Howe, who directly participated in the Sino-British negotiations on the Hong Kong issue, pointed out in an interview with Xinhua News Agency that the principle of "one country, two systems" was an unprecedented and amazing move and played a key role in solving the Hong Kong issue. Over the past five years, Hong Kong's original way of life has not changed. The people respect the legal system and judicial independence, and the Hong Kong SAR Government also attaches importance to democracy. The five years since China resumed the exercise of sovereignty over Hong Kong have proved that the concept of "one country, two systems" has been successfully put into practice and provided valuable experience for solving other historical problems. People have seen that the successful practice of "one country, two systems" in the Hong Kong Special Administrative Region and the Macao Special Administrative Region has had a positive impact on compatriots in Taiwan Province Province, and more and more compatriots in Taiwan Province Province have understood the spirit and benefits of "one country, two systems", which is manifested in the obvious increase in the number of compatriots in Taiwan Province Province who agree with "one country, two systems" in recent years.

At the same time, many people question "one country, two systems" and point out that the central authorities may infringe on Hong Kong's right to independent management.