Understanding what consular protection can and cannot do: it can visit you, but cannot bail you out, and you still have to pay the costs

Cost: No cost at all. It only takes a few minutes to clearly understand these boundaries.
In plain terms: If you’re arrested abroad, what consulates can do is verify your situation locally, demand fair and lawful treatment, visit you, and attend court hearings as observers. They cannot overturn a verdict or take you away. Any expenses such as food, lodging, transportation, or medical care paid in advance by others must ultimately be covered by you. Therefore, before traveling abroad, make sure you have sufficient funds and insurance — don’t assume the government will cover everything if something goes wrong.
Benefit: When you’re detained, consulates can take several concrete actions. They can check your situation with local authorities and insist on fair treatment under both local laws and any relevant bilateral treaties. The official wording states: “In accordance with the laws of the host country and international treaties to which China and the host country are parties, consulates may visit or contact the detained individual, learn about their needs, and demand humane and fair treatment.” In simpler terms, they can visit you, communicate with you, ask what you need, and insist that local authorities treat you fairly and humanely. Consulates may also attend court sessions as observers and safeguard your right to a fair trial. If you’re injured or affected by a disaster, they can urge local emergency assistance and help your family handle aftermath matters. At the same time, the rules make it equally clear regarding costs: “Chinese citizens, legal entities, and other organizations must pay any expenses — such as food, lodging, transportation, and medical care — provided by third parties during consular assistance.” In other words, any costs initially covered by others must ultimately be borne by you.
Evidence grade: A
Sources:国务院 (2023). 领事保护与协助条例（国令第 763 号）. https://www.gov.cn/zhengce/zhengceku/202307/content_6891761.htm（第九、十、十四、二十六条）
Notes: Consulates cannot pay fines or medical bills on your behalf, nor buy plane tickets or overturn court rulings. What they can provide is information on local lawyers, interpreters, medical providers, and funeral services, plus help contacting family and finding relief resources. Knowing these limits is valuable: it reminds you to prepare sufficient funds and insurance before traveling — don’t rely on the assumption that the state will handle everything if trouble arises.