The invention discloses a dual-mode quick granulating machine which comprises a feeding machine, a granulating machine and a control system, wherein a feeding hopper is connected to the top at one end of a PID (proportion integration differentiation) control quantitative feeding spiral auger, a discharging hole is formed in the bottom at the other end of the feeding spiral auger, and the feeding spiral auger is driven by a variable frequency motor; an output shaft of a main granulating motor is connected with a speed reducer, an output shaft of the speed reducer is connected with a main shaft of a forced pressure conveying spiral auger, a feeding hole is formed in the top at one end of the forced pressure conveying spiral auger, a radial pressure roller, an axial pressure roller, an annular mould and a planar mould are mounted on the main shaft at the other end of the conveying spiral auger, and a discharging hole is formed below the annular mould and the planar mould; the control system mainly comprises a current transformer, an intelligent transmitting current meter, a frequency changer and an external power supply. The dual-mode quick granulating machine is simple in structure, high in yield, low in power consumption and slight in wear, has various functions of a spiral extrusion technology, an annular mould extrusion technology and a planar mould extrusion granulation technology, and can be widely suitable for use in the field of granulation of products in the industries of chemical engineering, biomass energy, food, feeds, fertilizers and the like.