Increasingly large handwriting (dysgraphia) is one of the clinical manifestations of cerebellar ataxia causing disorders of random motor coordination. Cerebellar ataxia is the most common symptom of (hereditary ataxia) and almost 100% of patients with IAs have ataxia. Cerebellar ataxia can be observed through the daily life movements of patients with IAs, such as dressing, fastening buttons, serving water, writing, eating, speech, and gait. Unsteady walking, staggering gait, inflexible movements, and walking with legs widely apart; adult-onset patients cannot walk in a straight line. What are the tests for capitalism? 1. Isolated kidney with good function is usually difficult to detect. Often for some reason and B-type ultrasound or CT examination of the two kidneys found that one side of the kidney is missing. 2.Delta asymmetry during cystoscopy and absence of ureteral orifice on one side. 3.Urinal radiographs and intravenous urography show that one side of the kidney has no renal shadow or does not show, and the opposite side of the kidney is compensated to increase, and attention should be paid to exclude the renal opacity caused by other reasons, such as advanced renal tuberculosis, renal insufficiency, and so on. 4. Retroperitoneal gas injection angiography, B-mode ultrasound and CT examination show absence of kidney on one side. Electroencephalogram, cranial CT or cranial MRI should be done.