The mobile phone sent a lot of short messages, only one was deducted.

Because the SMS fee is included in the package.

China Mobile SMS 0. 1 yuan a message. If there is a package, there is no money in the package, and each message that exceeds the package will be charged 0. 1 yuan. That is to say, if your SMS package has not been used up, this SMS will be charged 1 yuan, and if the SMS package has been used up, it will be charged 1 yuan +0. 1 yuan SMS fee.

Short message: ShortMessageService, referred to as short message service, refers to the text or digital information directly sent or received by users through mobile phones or other telecommunication terminals. The number of characters that users can send and receive SMS at a time is 160 English or numeric characters or 70 Chinese characters. On April 8, 2020, China Telecom, China Mobile and China Unicom jointly issued the White Paper on 5G SMS, which made the basic SMS service in China enter a comprehensive upgrade channel, and the traditional SMS will be gradually replaced by 5G SMS (RCS service).