If you have a contract, you cannot cancel the account during the contract period. If you do not use it, your monthly rent and other fees will be deducted as usual. When your account balance is insufficient, the account will be deducted. When withdrawing, it will lead to downtime due to overpayment. After three months of downtime due to overpayment, China Unicom will generally cancel the account and carry out recycling processing, and your ID card information will be added to China Unicom's blacklist, which will affect your future Unicom transactions. preferential services, etc., and certain late payment fees or liquidated damages will be incurred. You may also receive a notice of arrears from China Unicom requiring you to settle the arrears. But it will not affect the loan. For details, it is recommended that you also contact the customer service where the number belongs to learn more.