1. An information input device which displays an entry screen including a plurality of entry fields and allows a user to input information in each of the entry fields, the information input device comprising: an entry screen display unit configured to display said entry screen and said plurality of entry fields; an entry field information generation unit configured to generate, when said user selects one of said entry fields, attribute information, said attribute information includes an attribute to identify whether input in the selected entry field is required; a tactile pattern storage unit configured to store a predetermined tactile pattern corresponding to the attribute to identify whether input in the entry field of interest is required; a tactile pattern acquisition unit configured to acquire said tactile pattern corresponding to the attribute added to said one entry field selected by said user from said tactile pattern storing unit; and a tactile pattern output unit configured to output said tactile pattern corresponding to the attribute added to the selected entry field to allow the user of the information input device to sense by the sense of touch whether input in the selected entry field is required.