The invention discloses a method, a device and a system for controlling an intelligent conference, and a computer scale storage medium. The method comprises the following steps: controlling conferenceequipment to carry out a current conference; when it is determined that the intensity of the short-distance communication signal with the conference equipment does not meet the set condition, presenting prompting information for deleting the current conference content; and when a deletion instruction generated according to the reminding information is received, controlling the conference equipment to delete the current conference content through wide area network communication. According to the invention, the problem that the conference content on the conference equipment is leaked because the conference content is not cleared in time can be solved, the security of the conference is improved, and the economic loss caused by leakage of commercial confidentiality is avoided.