Dystonia is a word that may be new to you. However, it is not uncommon to see people on the street who walk with a crooked neck, twist their whole body, blink their eyes repeatedly, or pucker their mouths repeatedly. In fact, some of those people may be dystonia. To put it bluntly, dystonia is the performance of all or a part of the body repeatedly twisted and appear abnormal strange posture. Common manifestations are 1, repeated continuous blinking, closed eyes can not open (we call it eyelid spasm) 2, repeated involuntary twisting of the neck and lead to a crooked neck (spastic squint); 3, limbs or body involuntary twisting (twisting spasm) and so on, some patients can also appear speech difficulties, vague words, limb trembling and other performance. In fact, abnormal limb twisting and posture can bring great psychological and physical pain to patients, and some patients will gradually develop loss of daily motor ability and functional blindness as the disease progresses, so it is important to seek medical attention in a timely manner when encountering these conditions. Dystonia and Parkinson’s disease belong to the same category of movement disorders and are common diseases in neurology. In fact, dystonia is only a manifestation of the disease, behind it lies the “behind-the-scenes” cause of the disease. The main causes are genetic and acquired factors. For example, certain drugs, especially antipsychotics and sedatives, can cause involuntary twisting of the trunk, mouth muscles, and tongue; we call it pharmacological dystonia. In addition, some genetic mutations, intrauterine infections or hypoxic-ischemic encephalopathy, adult diabetes mellitus, encephalitis, brain tumors and certain neurodegenerative diseases can cause symptoms. Dystonia is a treatable condition. It can be treated with medical medication, botulinum toxin injections or surgery to control the progression of symptoms and restore daily movement. However, it is important to find the cause of the disorder and uncover the culprit before treating it.