What Is a Pung in Mahjong?
A pung is a group of three identical tiles. In American mahjong, the three tiles must match in suit, rank, and identity: three 5 Dots form a pung, three East winds form a pung, and three red dragons form a pung. A mixed run such as 3-4-5 is not a pung.
The three tiles must be identical
All three positions in a pung represent the same tile. Matching the number alone is not enough. A 7 Bam, 7 Dot, and 7 Crak are three different tiles and cannot form a pung together.
The annual card may print a group of three repeated symbols. That grouping tells you both the size of the set and whether a joker or discard call may be possible.
Natural, joker-assisted, and exposed pungs
Natural pung
All three tiles are the required natural tile. It can remain concealed or be exposed when the hand permits.
Joker-assisted pung
One or more positions may be filled by jokers when the printed hand and group type allow it.
Exposed pung
A player calls a matching discard, places the three-tile group on the rack, and continues with one fewer concealed group.
Before calling a discard for a pung
- Confirm the discard completes three identical tiles.
- Check that the chosen hand is exposable.
- Verify the pung appears as one complete group on the card.
- Make sure the call does not force an impossible suit or number pattern.
- Expose the full group immediately and discard to end the turn.
A pung is a structural term, not a complete hand
One pung may be only a small part of a fourteen-tile American mahjong hand. The completed hand must still match every other printed group, color relationship, and exposure requirement on the selected line.
Pung questions
Can a pung use a joker?
Yes, a pung is a matching group of three and is generally joker-eligible unless the card or hand type says otherwise.
Can I call a discard for a pung?
Yes, when the hand is exposable and the discard completes the exact matching group.
Is a chow the same as a pung?
No. A chow is a sequence term used in other mahjong variants. American mahjong card groups are read exactly as printed.