<p>A service recommending system used for the instant messaging field includes: a service recommending sub-system, which is used to send the service information stored in the sub- system to the user which regards the sub-system as its contact person instantly or according to the time customized by the user; and a customer end sub-system, which is used to receive the service information sent by the service recommending sub-system and display it for the user which employs the customer end sub-system. A service recommending method includes that the service recommending sub-system sends the service information stored in the sub-system to the user which regards the service recommending sub-system as its contact person instantly or according to the time customized by the user.</p>
