Foreign aid is like when somebody gives something to somebody else who needs it. So let's say your friend doesn't have any toys to play with, and you have lots of toys. You can give your friend some of your toys, and that would be like giving foreign aid.
Now, China is a very big country with lots of people, and sometimes they need help from other countries. Just like how you might need help from your friends sometimes. So other countries, like the United States, Canada, and some European countries, have given China foreign aid in the past.
This foreign aid can come in different forms. Sometimes it's money that the other countries give to China to help them pay for things like schools, hospitals, and roads. Other times, it might be food or supplies that China needs in an emergency, like after an earthquake or flood.
However, some people think that China doesn't need foreign aid anymore because it is now a very powerful country with a big economy. So some countries have stopped giving aid to China. But others still think that China needs help in some areas, so they continue to give foreign aid.
Overall, foreign aid to China is like when friends help each other out when one friend needs it. It can come in different forms and can be controversial, but sometimes it's necessary to help those who need it.