What should parents do when their son borrows money everywhere?

Minors can engage in civil acts appropriate to their age. If the parents of minors have supervision responsibility, if they are adults, they should be responsible for themselves.

Legal basis:

People's Republic of China (PRC) Civil Code

Article 17 A natural person who has reached the age of 18 is an adult. A natural person under the age of eighteen is a minor.

Article 18 adult are persons with full capacity for civil conduct and can independently carry out civil juristic act.

/kloc-Minors over 0/6 years old whose main source of livelihood is their own labor income are regarded as persons with full capacity for civil conduct.

Nineteenth minors over the age of eight are persons with limited capacity for civil conduct, and they are represented by their legal representatives or approved and ratified by their legal representatives; However, civil legal acts that are purely beneficial or suitable for their age and intelligence can be implemented independently.

Article 20 Minors under the age of eight are persons without capacity for civil conduct, and their legal representatives shall act as agents to carry out civil legal acts.