Disclosed is a ticket having a specific mark which is expressed by light in dark places. The ticket having a specific mark which is expressed by light in dark places, of the present invention, comprises: a ticket; and a vision-protecting film. The ticket has specific mark parts, such as images, letters, numbers and symbols, formed by light transmitting parts which are formed on the surface of the ticket and arranged to maintain an interval therebetween, wherein the light transmitting parts have an expanded slope from an inlet toward an outlet so as to form a narrow inlet and a wider outlet. The vision-protecting film is coupled to the ticket so as to be disposed on the surface of the inlet and is provided to protect the vision of a user from the light emitted from the outlet. The present invention enables seat information and a specific mark part of an advertisement to be easily identified by light such as screen light or stage lighting which penetrates the light transmitting parts in dark places such as movie theaters, drama theaters and various performance halls, and thus can increase customer satisfaction because of the convenience of easily finding a seat even without separate lighting in dark spaces, and also can be utilized as an advertisement medium. In addition, by the vision-protecting film, it is possible to prevent vision damage caused by strong light transmitting the light transmitting parts in dark spaces.