The picture of marriage certificate shows the difference of marriage system between Hongkong and Mainland China in 20 17.

1. Picture specification of marriage certificate: The picture specification of marriage certificate is usually: the photo size is 1 inch width × 1.5 inch height (2.54 cm width× 3.81cm height), the background is white or light, the head is front, uncovered, natural, and the clothes are neat and generous. 2. Differences between the marriage system in Hong Kong and the Mainland: In Hong Kong, the marriage system is mainly different from that in the Mainland: (1) Freedom of marriage: Hong Kong has always maintained the tradition of the common law system due to historical problems, including the issue of not restricting the freedom of marriage of foreigners, foreigners and homosexuals. (2) Marriage registration: In Hong Kong, marriage registration must be carried out in the government registry, and marriage can only take effect after obtaining the registration certificate. In the mainland, you need to register with the local civil affairs bureau. (3) Wedding forms: There are various wedding forms in Hong Kong, which can be held in different places such as gardens, beaches, churches or hotels, while in the Mainland, the traditional banquet form is the main form. (4) Stability: The marriage stability in Hong Kong is relatively high, and the divorce rate is low, while the divorce rate in the Mainland is increasing year by year with the changes of social economy and culture. Generally speaking, although there are some differences between the marriage systems in Hong Kong and the Mainland, they are constantly adapting to the development of the times and the needs of society.