The National Health Commission said it had 32 confirmed cases, down from 39 on Monday.
The government says more than 3,331 people have died and 81,740 have been confirmed as infected.
All of the confirmed cases on Tuesday had arrived from overseas.
It has already shut its border to foreigners including those with visas or residence permits China is concerned a second wave of infections could be brought in by foreign arrivals and due to this International flights have been reduced with both Chinese and foreign airlines only allowed to operate one international flight a week. Flights must not be more than 75% full. Some people in "epidemic-free" residential compounds have already been allowed to leave their homes for two hours.