The main causes and treatments of blepharospasm are as follows: 1, inflammation of the bulbar conjunctiva or eyelid conjunctiva, treatment is based on anti-inflammatory; 2, hypertrophy of the eyelid and eyelid stones, the stones should be surgically removed, anti-inflammatory and anti-oedema treatments; 3, fatigue and emotional triggers, which can be relieved by themselves after appropriate rest. Meanwhile, acupuncture, acupoint injection, ionic introduction, and external application of traditional Chinese medicine have better efficacy in the treatment of eyelid fatigue and blepharospasm; 4. Special blepharospasm, such as those involving neurology, need to be clearly diagnosed for comprehensive treatment. It should be noted that botulinum toxin injection can temporarily relieve blepharospasm, but it will bring complications such as eyelid ptosis and diplopia, so it should be chosen carefully.