Message sending method and device, message receiving method and device, equipment and medium

The invention discloses a message sending method and device, a message receiving method and device, equipment and a medium, and relates to the field of instant messaging. The method comprises the following steps: displaying a first user interface, wherein the first user interface displays a head portrait of a second user account; in response to a light interaction instruction triggered on the head portrait of the second user account, generating a light interaction message,wherein the message content of the light interaction message comprises a first field corresponding to the first user account, an action description field used for representing that the first user account executes an action on the second user account, and a second field corresponding to the second user account and a second field of the second user account; and sending the light interaction message to a second client logged in with the second user account. The invention provides an interaction mode with light weight. 本申请公开了一种消息发送方法、消息接收方法、装置、设