A vegetarian pore-sealing capsule is provided. The pore-sealing capsule may release active substances in a gastrointestinal tract, including stomach, duodenum, jejunum, ileum and colon, under control. The pore-sealing capsule includes a capsule shell having one or more pores and a pore-sealing material for sealing at least one of the pores. When the pore-sealing capsule is located at a destination inside the gastrointestinal tract, the pore-sealing material will leave the pores.
