What are China's travel restrictions
at this stage? With vaccinations and a decline in COVID-19 cases worldwide, China’s efforts to control the pandemic may relax: China may open its borders in October this year
Foreign nationals currently in China can travel in China as long as they have the required documents including ID (usually passport) and a green health code.
China may open its borders to visitors in October 2021 according to current trends:
The use of COVID-19 vaccines around the world is improving the situation. According to the World Health Organization, more than 40 countries have started vaccinating.
At present, more than 15 million people have been vaccinated in China. According to Zhang Wenhong, a famous China medical expert, China will have mostly finished vaccinating by September and could reopen to the world.
Preparations for the Beijing 2022 Winter Olympic Games (2022.2.4–20) are still proceeding.
China’s Domestic Travel Restrictions
Foreign people now in China can travel in China as long as they have the required documents including ID (usually passport) and a green health code.
Now all areas in China are at low risk. You don't need to be quarantined for an inter-area/province travel in China.