There are many clinical causes of hypotonia, and whether it is curable or not needs to be determined in the context of the patient’s specific condition. Among the common diseases, hypotonia caused by electrolyte disorders can be cured, hypotonia caused by central nervous system diseases can be improved but not cured, and there is no effective treatment for hypotonia caused by congenital hereditary neurological diseases.1. Electrolyte disorders: Hypokalemia is commonly seen, which is characterized by muscular weakness and episodic flaccid paralysis, and flaccid paralysis can be preceded by muscular weakness. Low muscle tone caused by hyperkalemia can be improved by replenishing potassium, and the symptoms of low muscle tone will disappear gradually when the electrolyte balance is restored; 2. Central nervous system diseases: For example, cerebral infarction, cerebral hemorrhage, and other central nervous system diseases can also lead to low muscle tone. After actively treating the primary disease, the symptoms may improve, but it is difficult to recover completely. If low muscle tone occurs in the spinal shock period after severe neurological trauma, it is difficult to cure. After the shock period, these patients will also have increased and hypertonia, often combined with limb paralysis; 3. Congenital hereditary neurological disorders: cerebellar ataxia can present with the phenotype of low muscle tone. The non-specific symptoms of many congenital hereditary neurological disorders also include myasthenia gravis and myasthenia gravis. These disorders are most often associated with genetic abnormalities, so there is no good treatment for myasthenia gravis in these patients.