| Type | normal |
| Category | Status |
| Power | 0 |
| Accuracy | — |
| PP | 10 |
| Introduced | Generation 2 |
User loses 50% of its max HP, but Attack raises to maximum.
When a Pokémon is holding Normalium Z and uses its Z-Power, Belly Drum turns into Z-Belly Drum and fully restores the user's HP, in addition to its usual effect as above.
| Gold Silver Crystal | Reduces own HP to maximize ATTACK. |
| Ruby Sapphire Emerald | Maximizes ATTACK while sacrificing HP. |
| FireRed LeafGreen | The user maximizes its ATTACK stat at the cost of half its full HP. |
| Diamond Pearl Platinum HeartGold SoulSilver | The user maximizes its Attack stat in exchange for HP equal to half its max HP. |
| Black White Black 2 White 2 | The user maximizes its Attack stat in exchange for HP equal to half its max HP. |
| X Y O.Ruby A.Sapphire | The user maximizes its Attack stat in exchange for HP equal to half its max HP. |
| Sun Moon Ultra Sun Ultra Moon | The user maximizes its Attack stat in exchange for HP equal to half its max HP. |
| Sword Shield B.Diamond S.Pearl | The user maximizes its Attack stat in exchange for HP equal to half its max HP. |
| English | Belly Drum |
|---|---|
| Spanish | Tambor |
| Italian | Panciamburo |
| Japanese | はらだいこ (Haradaiko) |
| German | Bauchtrommel |
| French | Cognobidon |