. You can check the monthly return details of the medical insurance card through the following steps: 1. Log in to official website, the local social security bureau, and find the medical insurance inquiry entrance. 2. Enter personal information such as sfz number, name and medical insurance card number, and select the query date range. 3. Click the "Query" button to view the details of medical insurance card return this month, including reimbursement of medical expenses, outpatient registration fee return, etc. You can also go to the local social security bureau window or call the social security bureau hotline for enquiries. . You can check the monthly return details of the medical insurance card through the following steps: 1. Log in to official website, the local social security bureau, and find the medical insurance inquiry entrance. 2. Enter personal information such as sfz number, name and medical insurance card number, and select the query date range. 3. Click the "Query" button to view the details of medical insurance card return this month, including reimbursement of medical expenses, outpatient registration fee return, etc. You can also go to the local social security bureau window or call the social security bureau hotline for enquiries.