The invention discloses an intelligent marble alarm system for a security rescue capsule of a high-rise building. The intelligent marble alarm system comprises a capsule body, wherein a control module, a display module, an input module, an image identification module and a power supply module are arranged in the capsule body; a marble module is installed on the outer capsule wall of the capsule body, and comprises a camera, an ejecting cabin, alarming marbles, a spring, an ejection module and a three-dimensional camera holder; the control module adjusts a position of the three-dimensional camera holder, acquires an image of the camera, enables the image identification module to identify door and window positions, displays the door and window positions on the display module, receives an input ejection command, and launches the alarming marbles; each alarming marble comprises a marble control module, a pyroelectric infrared sensor, a voice module and a marble power supply module; and each marble control module controls the corresponding voice module to play help-seeking voice when the corresponding pyroelectric infrared sensor detects the existence of a person nearby, otherwise, controls the corresponding voice module to be mute, and saves electric quantity of the marble power supply modules. The intelligent marble alarm system automatically looks for an ejection target of the alarming marbles, enlarges the alarm region, and improves the alarm efficiency.