The invention relates to an indoor fire hydrant and relates to the field of fire-fighting equipment in buildings. The problems that a fire hydrant door is inconvenient to open and occupies a large space after being opened are solved. The indoor fire hydrant comprises a box body and the fire hydrant door arranged on the box body, the fire hydrant door is arranged on the box body in a slippage manner in the vertical direction, the bottom of the box body is provided with a bearing plate for bearing the fire hydrant door, and the bearing plate is arranged at the bottom of the fire hydrant door ina slippage manner in the horizontal direction. The fire hydrant door is made to slide downwards under the gravity action through the bearing plate performing slippage in the horizontal direction, in the opening process of the fire hydrant door, a user does not need to move according to rotation of the fire hydrant door, the opened fire hydrant door is consistent with the surface of the box body, and it can be avoided that a rescue channel is blocked due to shaking of the fire hydrant door.