A communication control method, including receiving, by a first user equipment, a first message sent by a second user equipment; acquiring receive power of the first message; acquiring power parameter information of the second user equipment; obtaining a path loss value according to the power parameter information of the second user equipment and the receive power of the first message; and determining, according to the path loss value, whether direct communication is allowed between the first user equipment and the second user equipment. The embodiments of the present invention further provide a corresponding user equipment and system. According to the method, user equipment, and system in the embodiments of the present invention, control on direct communication between user equipment can be implemented.