Long needle eyes are caused by not paying attention to eye hygiene. For example, rubbing and touching eyes with dirty hands, washing face with unclean water, wiping eyes with contaminated towels, paper towels, wet wipes, etc., will make bacteria in the external environment pass through the opening of the meibomian gland at the root of the eyelashes at the margin of the eyelid and retrograde into the inside of the meibomian gland, thus causing infection, also known as wheat swelling. It is necessary to do eye hot compress treatment and apply antibiotic eye ointment to promote its regression. The commonly used ofloxacin eye ointment, erythromycin eye ointment, etc.