Legal analysis: 1, delivered in the way stipulated in the treaty. If there is an international treaty or a bilateral reciprocal treaty between the two countries, it shall be delivered in the agreed way. 2, diplomatic service, this provision is that there is no reciprocity between countries or the basis of international treaties, then through the diplomatic relations and diplomatic laws and regulations of various countries, direct service between countries. 3. If the addressee of China nationality entrusts a foreign embassy or consulate to serve on his behalf, that is, if a person of China nationality lives in a foreign country, he can serve legal documents on his behalf through the China embassy or consulate in a foreign country. 4 served on the representative office or authorized institution or business agent established by the addressee in China. It should be noted that the service on the business agent needs to be authorized by the business responsible organization. 5. Mail delivery. If other delivery methods are inconvenient or agreed by the other party, it can be delivered by mail, with the postmark time as the delivery date.

Legal basis: Article 267 of the Civil Procedure Law of People's Republic of China (PRC), the people's court may serve the litigation documents to the parties who have no domicile in People's Republic of China (PRC) in the following ways: (1) Serve them in the manner stipulated in the international treaties concluded or jointly participated by the country where the addressee is located and People's Republic of China (PRC); (2) being served through diplomatic channels; (3) The addressee with People's Republic of China (PRC) nationality may entrust the embassy or consulate of People's Republic of China (PRC) in that country to serve on his behalf; (4) If it is served on the agent ad litem entrusted by the addressee, the agent ad litem has the right to accept the service on his behalf; (five) to the representative office established by the addressee in People's Republic of China (PRC) or the branch or business agent with the right to accept the service; (6) If the law of the country where the addressee is located allows it to be served by mail, it may be served by mail. The service receipt has not been returned for three months from the date of mailing, but if it is deemed to have been served according to various circumstances, it shall be deemed that the service period has expired; (seven) by fax, e-mail, etc. to confirm the receipt of the recipient; (eight) if it cannot be served in the above way, it shall be deemed to have been served three months after the date of announcement.