The right eyelid has been slightly twitching, clinically known as blepharospasm, characterized by involuntary twitching or jumping of the muscles around the eye caused by spasm of the orbicularis oculi muscle or facial nerve, clinically manifested by frequent blinking movements, and in severe cases, persistent eye closure or visual impairment, which may be accompanied by ipsilateral eyebrow, facial, and corner of the mouth twitching, and may also be seen as limited tiny twitching. The pathogenesis of blepharospasm is not clear, but may be related to the following factors: 1. mental tension: mental tension can lead to abnormal contraction and diastole of the orbicularis oculi muscle fibers, which in turn causes the right eyelid to twitch slightly all the time, and it is recommended that patients maintain a good state of mind to help improve the symptoms, which can usually be gradually relieved within a few hours; 2. excessive fatigue: patients who are overly fatigued, use their eyes for too long, or do not get enough sleep can cause the right eyelid to twitch slightly all the time. It is recommended that patients pay attention to rest, ensure sufficient sleep, do not look at an object for a long time, and relax the eyes properly, which usually improves the next day; 3, eye irritation: such as intraocular foreign bodies, inverted eyelashes, etc. will stimulate the eye, and then the right eyelid has been slightly twitching phenomenon, it is recommended that patients promptly remove intraocular foreign bodies and abnormal eyelashes to relieve the discomfort; 4, drug stimulation: common Dopamine receptor blocking drugs, lithium, lamotrigine and other drugs can also induce blepharospasm, manifested as the right eyelid has been slightly twitching, it is recommended that patients adjust the drugs under the guidance of a doctor to help relieve symptoms; 5, eye diseases: common blepharitis, conjunctivitis, dacryocystitis, dry eye, etc., these diseases may lead to unilateral or bilateral eyelid has been slightly twitching, it is recommended that patients go to the hospital for examination It is recommended that the patient go to the hospital for examination to clarify the cause before anti-inflammatory or symptomatic treatment; 6. Facial muscle spasm: usually due to compression or mechanical stimulation of the facial nerve, resulting in intermittent involuntary twitching of one side of the facial muscles, eyelid spasm is often the first symptom, which can be manifested as a slight twitching of the right eyelid all the time. Such patients can under the guidance of the doctor for drug treatment, or local injection of botulinum toxin, the condition continues to progress can be surgical treatment; 7, brain diseases: such as stroke, multiple sclerosis, hydrocephalus, brain tumors, arachnoid adhesions, etc. may trigger the right eyelid slight twitching, because the brain disease progresses faster, the patient is harmful, it is recommended to go to the hospital for examination and treatment in a timely manner after the appearance of symptoms. Patients with mild twitching of the right eyelid can first be relieved by rest, appropriate massage and hot compress. If it continues to be unrelieved, it is recommended to go to the hospital for examination and treatment in time.