Dysfunction refers to the human body tissues, organs, limbs and other functions that should be unable to play normally, such as brain function is to govern all activities of the human body, oral function is to chew and swallow, and when the human body is affected by trauma or disease, brain dysfunction can cause slurred speech, confusion, limb paralysis, etc., oral dysfunction can lead to swallowing difficulties, unable to eat, etc. Take the nervous system as an example, the common clinical dysfunctions are as follows: 1, consciousness disorder: refers to a state where the patient lacks response to external environmental stimuli, such as cold, heat, pressure, etc. Common clinical manifestations include drowsiness, coma, blurred consciousness, delirium, etc.; 2, speech disorder: clinically common is aphasia and dysarthria, the former is mostly in the conscious state, due to brain injury-induced language The former is mostly caused by brain injury in the conscious state, and the latter is caused by lesions of the central nerve and peripheral nerve related to articulation, often manifested as slurred pronunciation; 3, sensory disorders: the patient’s body has no sensation to various forms of external stimuli or hyposensory perception, abnormal, such as terminal sensory disorders; 4, motor disorders: refers to a part of the patient’s motor system is damaged resulting in abnormal skeletal muscle activity, thus unable to move normally. The common clinical examples are Parkinson’s disease, hemiplegia, ataxia, etc. If a patient sees a dysfunction on the test report or lab report and has questions about it, he or she can get a doctor to interpret the report and clarify the cause of the dysfunction.