Can I use a medical insurance card for Band 4 and Band 6?

You can't. Medical insurance card (hereinafter referred to as medical insurance card) is a special card for personal account of medical insurance. It takes personal ID card as the identification code, and stores detailed information such as personal ID card number, name, gender, payment, account fund consumption, etc. According to the examination regulations, social security card, campus card, piano room card, etc. None of them are used as identification documents, and medical insurance cards are not allowed for grades 4 and 6. CET-4 and CET-6 are national English tests administered by the Ministry of Education. Its purpose is to objectively and accurately measure the actual English ability of college students and provide evaluation services for college English teaching.