Portable device for assessing thermoalgesic and vibratory sensitivity, comprising: a first unit configured to apply to localised points of the patient a plurality of stimuli comprising vibrations and temperature changes, the first unit comprising: an outer casing, vibration generating means and means for generating cold-heat configured to act directly on the patient, which are arranged inside the outer casing, on/off and control means configured to activate the first unit and to vary the intensity of both vibrations and temperature, and the device comprising a second unit for gathering data communicating with the first unit, the second unit comprising: data input means, data display means, an affirmative (yes) button and a negative (no) button for indicating the perception received on each stimulus and indicator means of different operational stages of the first unit, wherein the communication between the first unit and the second unit takes place by means of a two-way wireless transmission means; characterised in that the vibration generating means and means for generating cold-heat are configured to move linearly with respect to the casing in order to deploy from it at the moment when the stimulus is applied, wherein the portable device is configured to perform a vibration test by applying a plurality of stimuli, each stimulus being a vibration of sinusoidal waveform of 125 to 128 Hz, having a duration of 1.8 seconds and the constant intensity of each stimulus is randomly selected from 5.77 μm, 2.38 μm, and 1.19 μm and followed by a stimulus of 0.01 μm, wherein a pause interval in the vibration test between each stimulus is 13 seconds. a first unit configured to apply to localised points of the patient a plurality of stimuli comprising vibrations and temperature changes, the first unit comprising: an outer casing, vibration generating means and means for generating cold-heat configured to act directly on the patient, which are arranged inside the outer casing, on/off and control means configured to activate the first unit and to vary the intensity of both vibrations and temperature, and the device comprising a second unit for gathering data communicating with the first unit, the second unit comprising: data input means, data display means, an affirmative (yes) button and a negative (no) button for indicating the perception received on each stimulus and indicator means of different operational stages of the first unit, wherein the communication between the first unit and the second unit takes place by means of a two-way wireless transmission means; characterised in that the vibration generating means and means for generating cold-heat are configured to move linearly with respect to the casing in order to deploy from it at the moment when the stimulus is applied, wherein the portable device is configured to perform a vibration test by applying a plurality of stimuli, each stimulus being a vibration of sinusoidal waveform of 125 to 128 Hz, having a duration of 1.8 seconds and the constant intensity of each stimulus is randomly selected from 5.77 μm, 2.38 μm, and 1.19 μm and followed by a stimulus of 0.01 μm, wherein a pause interval in the vibration test between each stimulus is 13 seconds. an outer casing, vibration generating means and means for generating cold-heat configured to act directly on the patient, which are arranged inside the outer casing, on/off and control means configured to activate the first unit and to vary the intensity of both vibrations and temperature, and the device comprising a second unit for gathering data communicating with the first unit, the second unit comprising: data input means, data display means, an affirmative (yes) button and a negative (no) button for indicating the perception received on each stimulus and indicator means of different operational stages of the first unit, wherein the communication between the first unit and the second unit takes place by means of a two-way wireless transmission means; characterised in that the vibration generating means and means for generating cold-heat are configured to move linearly with respect to the casing in order to deploy from it at the moment when the stimulus is applied, wherein the portable device is configured to perform a vibration test by applying a plurality of stimuli, each stimulus being a vibration of sinusoidal waveform of 125 to 128 Hz, having a duration of 1.8 seconds and the constant intensity of each stimulus is randomly selected from 5.77 μm, 2.38 μm, and 1.19 μm and followed by a stimulus of 0.01 μm, wherein a pause interval in the vibration test between each stimulus is 13 seconds.