You can refund the remaining amount. If you refuse to return it, you can complain to the local administrative department for industry and commerce (123 15). The prepaid recharge card sold by the barber shop can be refunded if the consumer does not want to continue the service after recharging. If there is no agreement in the card handling agreement, it can be stipulated in Article 21 of the Measures for the Administration of Single-use Commercial Prepaid Cards in People's Republic of China (PRC) (Trial) and Order No.9 of the Ministry of Commerce of China that card issuing enterprises or card selling enterprises shall provide card return services in accordance with the articles of association or agreement of single-use cards. If the enterprise fails to inform consumers in advance, then according to the relevant provisions of the Consumer Protection Law, operators and consumers should follow the principles of voluntariness, fairness, honesty and credit; Consumers should have the right to know, otherwise it is illegal.