The methods to prove that property belongs to premarital property are as follows:
1. Premarital property notarization;
2. Retain necessary evidence.
Article 18 of the Marriage Law stipulates that under any of the following circumstances, it shall be the property of the husband and wife:
（1） Premarital property of one party;
（2） Medical expenses, living allowance for the disabled and other expenses received by one party due to physical injury;
（3） The property determined in the will or gift contract to belong to the husband or wife only;
（4） Daily necessities for one party;
（5） Other properties that should belong to one party.
