The invention discloses a ladder machine with the adjustable lifting angle. The machine comprises a base, a lifting base and a pedal unit. The lifting base is arranged on the base in a pivot mode, the lifting base adjusts the lifting angle relative to the base by means of a lifting base regulator, the pedal unit is arranged on the lifting base and provided with a plurality of pedals capable of pivoting relative to the lifting base, the pivoting angle of each pedal relative to the lifting base is adjusted through a pedal regulator arranged on the lifting base so that the pedals can keep the horizontal state at any time, and accordingly a user can maintain a proper posture and conduct training of various climbing gradients.