Co-borrower refers to the situation where two or more people jointly borrow money from a bank. In daily life, the most common situation is that both husband and wife jointly borrow money from the bank to buy a house.

Co-borrower needs to meet the following three conditions: 1. First, he must be between 30 and 60 years old. 2. Must be a natural person with full capacity for civil conduct. 3. The household registration must be in the county. Co-borrower is determined in the following order: parents, grandparents or siblings, other relatives or legal guardians.