THE INVENTION RELATES TO A PORTABLE APPARATUS FOR REGULATING THE TEMPERATURE OF MEDICAMENTS IN SOLID OR LIQUID FORM. A TEMPERATURE-REGULATING APPARATUS (1) ACCORDING TO THE INVENTION COMPRISES A HOUSING WITH AT LEAST ONE ACCOMMODATING CHAMBER (3, 30, 31), WITH AT LEAST ONE TEMPERATURE-REGULATING DEVICE FOR REGULATING THE TEMPERATURE OF THE ACCOMMODATING CHAMBER, IN PARTICULAR A THERMOELECTRIC TEMPERATURE-REGULATING DEVICE, WITH AT LEAST ONE INPUTTING MEANS CAPABLE OF REGISTERING AN INSERTION OF A MEDICAMENT CONTAINER (33) INTO THE ACCOMMODATING CHAMBER (3, 30, 31) OR AN IMMEDIATELY IMMINENT INSERTION, AND OF CONTROLLING THE TEMPERATURE-REGULATION OF THE ACCOMMODATING CHAMBER (3, 30, 31) DEPENDING THEREON. FIG. 1