# Prometheus

> Describes how to use GreptimeDB as a remote storage backend for Prometheus and how to query metrics using Prometheus Query Language (PromQL).

# Prometheus

## Remote Write

GreptimeDB can be used as a remote storage backend for Prometheus.
For detailed information,
please refer to the [Ingest Data with Prometheus Remote Write](/user-guide/ingest-data/for-observability/prometheus.md) document.

## Prometheus Query Language (PromQL)

GreptimeDB supports the Prometheus Query Language (PromQL) for querying metrics.
For more information,
please refer to the [Query Data with Prometheus Query Language](/user-guide/query-data/promql.md) document.