The itchy corner of the eye with eyelash implants may be caused by conjunctivitis, blepharitis, dry eye and other diseases, or allergies, blepharitis and other diseases. 1. Conjunctivitis: Conjunctivitis has a variety of causes, mainly including bacterial, viral and other pathogenic infections, physical and chemical stimuli, immune lesions and so on. Patients will experience symptoms such as redness of the eyes, itchy eyes, foreign body sensation, dryness, etc. They will also experience symptoms such as excessive secretion, fear of light, and pain. Patients who have bacterial infection during eyelash implantation can lead to conjunctivitis. 2. Blepharitis: the etiology of blepharitis is more complex, and it is considered to be related to bacterial infection, systemic diseases and other factors. The patient’s main symptoms for the eye burning sensation, eye itching, tingling and other symptoms, there will also be increased secretion, eyelid margin congestion, swelling and other symptoms. The symptoms of itchy eyes may be caused by bacteria and other pathogens during the operation process, which may lead to blepharitis. 3. Dry eye: dry eye is mainly due to insufficient tear secretion or evaporation and other factors, the patient will appear eye fatigue, foreign body sensation, dry eyes, tingling and other symptoms, which will also lead to the phenomenon of itchy corners of the eyes. Patients who have too few tears when growing eyelashes will experience dry eyes. 4. Other: allergic reaction, blepharitis, blepharospasm cysts and other diseases can also lead to the phenomenon of itchy corner of the eyelash implant eye. If the symptoms of itchy eyes after eyelash extensions are not relieved after eyelash extensions, the patient should consult a doctor in time and follow the doctor’s instructions.