A pill container includes: a container body defining a pill-storing space for storing pills therein and having a plurality of sides, top and bottom walls and a plurality of first side walls interconnecting the top and bottom walls, and disposed respectively at corresponding ones of the sides, each of the first side walls being formed with an access opening for access into the pill-storing space; a plurality of first doors connected to the first side walls for closing and opening the access openings in the first side walls, respectively; and a plurality of different first marks, each of which is provided on a respective one of the first side walls or a respective one of the first doors. The first marks respectively represent different times of a day for taking the pills.