The symptoms of olivopontocerebellar atrophy are as follows: 1. cerebellar ataxia: the most prominent symptom, manifested as weakness of lower limbs, inability to make fine movements of both upper limbs, dizziness, dysarthria, intermittent speech, dysphagia, choking on water, hypochondriacal symptoms, and some of them may show tremors of tongue muscles or facial muscle bundles; 2. oculomotor disorders; 3. autonomic dysfunction: such as upright hypotension, flaccid bladder, sexual dysfunction and sweating disorders; 4. pyramidal bundle signs: often manifested as increased muscle tone, hyperactive tendon reflexes and positive pathological signs; 5. extrapyramidal manifestations: mask face and resting tremor.