Suspected of having cerebellar orientation and dysfunction, and do not know what tests should be done, I believe it is something that troubles many people, in order to help alleviate your worries, the following is an introduction to what tests need to be done for cerebellar orientation and dysfunction. Cerebellar orientation and dysfunction manifests itself in a variety of ways. Commonly, there is atrophy and degeneration of nerve cells, loss of myelin sheath, mild proliferation of glial cells, resulting in extensive degeneration of the cerebellar hemispheres and earthworms, the middle and lower cerebellar peduncles, disappearance of Purkinje cells, atrophy or disappearance of nerve cells in the posterior column of the spinal cord and Clark’s column, secondary glial cell proliferation, degeneration of the posterior roots and spinal ganglia, loss of myelin sheath, especially in the lumbar and sacral segments of the spinal cord It is more obvious. Degeneration of the cerebral cortex, basal nucleus, thalamus, pontine basal nucleus and other brainstem nuclei may also be seen. Clinical manifestations: Initial stage: unstable gait when walking, swaying of limbs, delayed reaction and poor accuracy of movement. Middle stage: slurred speech, inability to control intonation, uneven eye rotation, easy to produce “overlapping” images, increased muscle incoordination, inability to write, sometimes difficulty in swallowing, easy to choke and cough when eating. Late stage: extremely unclear speech, even unable to speak, weakness of limbs, unable to stand, need to rely on wheelchairs to walk, understanding ability gradually declined, and finally lose consciousness, unconsciousness. Examination: 1. Clinical examination of the cerebral nervous system. 2.Magnetic resonance imaging (MRI). 3.Genetic test.