Provided is a fire suppression ball mobile release platform. The platform comprises an automobile chassis, a subframe, a release device, a release control chamber and a hydraulic drive system; the release device comprises a vertical support base, a rotary drive, a rotary platform, a multi-cluster release frame and a pitch adjusting oil cylinder, one side of the bottom of the multi-cluster release frame is hinged to the rotary platform, the pitch adjusting oil cylinder is arranged between the rotary platform and the multi-cluster release frame to support the multi-cluster release frame to be arranged in an inclined mode, power is provided for a driving motor in the rotary drive and the pitch adjusting oil cylinder through the hydraulic drive system, power output of the hydraulic drive system is operated and controlled through a manual control console in the release control chamber, a release controller controlling the multi-cluster release frame to release fire suppression balls is installed in the release control chamber, and a control interface of the release controller is installed on the manual control console. According to the fire suppression ball mobile release platform, the release precision is high, the structural reliability is high, the fire extinguishing efficiency is high, and the practicability is high. The invention further provides a fire suppression ball release method.