5 1 How to send short messages in groups?

Labor Day is May Day. Send a short message to everyone on this day, which is completed in two steps:

Organize everyone's mobile phone numbers into spreadsheets, excel or text documents.

2. Write the content of holiday SMS notification into the content box of the interface, import the mobile phone numbers of those recipients into the number area, send them for 3 seconds, and then everyone will receive the notification from you.