In short, the international trade surplus means that the balance of payments is unbalanced and the local currency exchange rate rises, which in turn affects exports and is beneficial to imports.

Therefore, it will lead to the increase of the country's gold and foreign exchange reserves, and also lead to the increase of the country's money supply, which will lead to the country's inflation.

There is also a surplus at home, which means that it may lead to deficits in other countries, and it is easy for other countries to adopt trade barriers, which is not conducive to a country's long-term and stable foreign economic and trade development.

Finally, China is now facing the problem of scarce resources. The more resources are exported abroad, the more serious the problem will be.