Three, the charging methods of educational products are divided into two types: on-demand and monthly subscription. On-demand topics are divided into 15 yuan topic package, 20 yuan topic package and 25 yuan topic package, and the on-demand courses and topics are valid for 30 days; 30 yuan/month is charged for the Lunar New Year course. At present, the trial operation period is free, and the official fee is to be notified. Thank you for your interest in telecom products. I wish you a happy life. If the above information can't solve your problem, you can also log in to Guangdong Telecom Mobile Mall () to seek help from online customer service, which is available 7X24 hours a day!