Disclosed is a high-speed soft capsule forming machine comprising: a sheet forming part for forming two gelatin sheets； a pair of die rolls for heat sealing the gelatin sheets and simultaneously forming the same into a capsule shape； a wedge positioned at the upper sides of the pair of die rolls, heating the gelatin sheets at a predetermined temperature, and having a plurality of nozzles, which are formed to be aligned therein, for receiving liquid medicine from a liquid medicine feeding part and respectively injecting the same between the gelatin sheets inserted into cavities of the pair of die rolls； and a controller for controlling the rotational speed of the die rolls, the temperature of the wedge, the rotational speed and temperature of a cooling drum, and the intervals of nozzle operations for injecting the liquid medicine according to the angle of the nozzles formed in the wedge with respect to the center of the die roll and a set number value of lines in which the nozzles are aligned.
