In most countries, it is considered illegal to change brides at weddings. This is because marriage is a very important legal act, involving legal rights and obligations, as well as property and financial matters. If a marriage is reached by deception, deception or misleading, it may be deemed invalid. Therefore, bride exchange is generally regarded as a kind of cheating, so it is regarded as illegal. If someone is found guilty of such behavior, they may be prosecuted and punished.