A message sending method includes: displaying chat messages on a chat interface, which is one of a group chat interface and a single chat interface; when detecting a reply operation performed by a user on a first chat message in the chat messages, obtaining content of the first chat message and content of a reply message corresponding to the reply operation; combining the content of the first chat message and the content of the reply message into a second chat message; when the first chat message is on the group chat interface, sending the second chat message to a client corresponding to each chat account that participates in a group chat; and when the first chat message is on the single chat interface, sending the second chat message to a client corresponding to a chat account that posted the first chat message.