The present invention has an object to provide an ocular insert device that can be stably placed under the eyelid without giving a feeling of insertion of a foreign body to a user and that can store a larger volume of drug as compared to a conventional system. The ocular insert device 100 includes a storage main body 1 that is formed to be a seed-shaped piece having a predetermined width so as to be located under an eyelid and that stores a drug. The storage main body 1 has a held portion 1a in which a surface that comes into contact with the eyelid can be held by a tarsal plate 52.
