Ask for help, how to return to China without a passport, and ask for answers.

If there is no passport, it may be more difficult to return to China, but it is not impossible. Here are some possible solutions:

1. Ask the local embassy or consulate for help: You can ask the embassy or consulate of China in your country for help, and they may provide you with some help, such as applying for a temporary passport or a travel permit. You need to provide some identification documents, such as ID card and household registration book.

2. Contact family or friends: If your family or friends are in China, they can provide you with some help, such as buying a return ticket or providing other travel advice.

3. Find a travel agency: If you can't find other solutions, you can consider finding a travel agency. They may provide you with some help, such as applying for a tourist visa or buying a return ticket.

It should be noted that returning to China without a passport may face some challenges, such as time and energy consumption when applying for travel documents or visas, and legal problems after returning home. Therefore, if you are likely to face this situation, please take action as soon as possible and seek professional legal and travel advice.