As a common clinical foot disease, ingrown toenails can cause severe pain around toenails and have a serious impact on patients' daily activities and life. At present, there are many methods for clinical treatment of ingrown toenails, but there is no uniform treatment method. If the treatment method is not selected properly, it will not only fail to exert the ideal therapeutic effect, but also the patient is prone to relapse after treatment. Therefore, it is necessary to take a scientific treatment plan according to the patient's disease situation and the actual situation of the patient, so as to achieve effective treatment. This article mainly reviews the etiology, staging and treatment options of ingrown toenails, in order to provide ideas for the clinical treatment of ingrown toenails.