It depends: First, the credit card is handled after the husband and wife get married, and it is used in the daily life of the family. Then the credit card is the common property of the husband and wife, and it is not illegal for the wife to swipe the other party's credit card. Two, do not meet the above situation, suspected of theft, is illegal. Article 1062 of the Civil Code: The following property acquired by husband and wife during the marriage relationship is the joint property of husband and wife, which is jointly owned by husband and wife: (1) salary, bonus and labor remuneration; (2) Income from production, operation and investment; (3) Income from intellectual property rights; (4) Inherited or donated property, except as provided for in Item 3 of Article 1063 of this Law; (5) Other property that should be jointly owned. Husband and wife have equal rights in dealing with common property.