Legal analysis: College students' medical insurance cards can be used in different places. Going home in winter and summer vacations and going to a foreign hospital after illness can generally be reimbursed as long as you bring the required materials afterwards.

Legal basis: Regulations of People's Republic of China (PRC) Municipality on Basic Medical Insurance for Urban Workers.

Article 2 The following units and their employees in towns of this province must participate in the basic medical insurance in accordance with these regulations:

(1) Enterprises and their employees;

(2) Organs, institutions, intermediaries, social organizations, private non-enterprise units and their employees;

(3) Employers of troops without military status and their employees.

These Regulations shall apply to the retirees of the above-mentioned units.

Twenty-first basic medical insurance fund interest method according to the relevant provisions of the state, personal accounts and pooling funds due interest are calculated and included.

Twenty-second personal accounts may not withdraw cash, overdraw, overspend or roll over for personal use. When employees and retirees die, the balance of funds in their personal accounts can be inherited.