1, contact the medical insurance bureau to change. Contact the local medical insurance bureau or relevant departments to explain the binding problem of medical cards and untie them. According to the requirements of the medical insurance department, prepare the necessary identity verification documents and certification materials to prove that you are the legal holder of the medical card. After obtaining authorization, unbind the mobile phone according to the instructions provided by the medical insurance institution.

2. After successful unbinding, just rebind the medical card on my mobile phone.