1. Celebration: Celebrating important milestones and achievements is the cultural tradition of China. Going to college can be regarded as an important milestone in life growth, so relatives may give money to congratulate.
2. Gifts: In China culture, gifts are usually regarded as a way to express gratitude and friendliness. If relatives like you, they may express their gratitude by giving money.
3. I hope it will help: Sometimes relatives give money out of kindness, hoping to provide some help for your studies. They may think that this money will help pay for your tuition, living expenses or other related expenses.
4. Custom: In some places and cultures, it is a traditional custom to provide financial support for people who go to college. This custom may be passed down from generation to generation by relatives, so I habitually give you money.
For whatever reason, if your relatives are willing to give you money, you can express your gratitude and accept it appropriately. However, if you don't want to accept the money, you can politely refuse and explain your thoughts. The most important thing is to respect each other's wishes and decisions.