The crescent on the nail is gone, generally has no effect on the human body, no need to intervene to deal with, if the nail ringworm and other diseases lead to nail discoloration can not see the crescent, then you need to address the cause of the treatment. The crescent on the nail is also called nail half-moon, half-moon mark, the crescent is actually a newborn keratinocyte, due to the growth of nails, the two sides of the growth rate is lower than the speed of the middle, so it will be formed in a state similar to the crescent, that is to say, the crescent in fact, is not yet hardened and become transparent nails. Due to age, environment and nutritional factors, everyone’s nails grow at a different rate, so the crescent moon is also different. If the nails are seldom abraded or are born with slower growth, the crescent moon will be smaller, or even covered under the nail folds and cannot be seen. In addition, when suffering from onychomycosis, due to fungal infection, damage to the nail plate, there may be nail discoloration, deformation, thickening may not be able to see the crescent, the need for timely consultation and antifungal treatment, you can use drugs such as itraconazole treatment. Nail crescent is gone, if no discomfort can be temporarily observed, if caused by discomfort or the emergence of the above symptoms need to consult a doctor in a timely manner, in accordance with the doctor’s instructions for treatment.