An emergency device includes: a first housing, an inflation pump, an internal power supply, a first cable and an output terminal. The inflation pump is provided with a first power device, a detection assembly and a first fixing member. The first power device includes a detection portion, a first air outlet portion, a first air channel and a second air channel, where the detection portion is provided with the second air channel and a first detection groove, the first air channel is configured to provide a first airflow to the first air outlet portion, the first detection groove is used for accommodating at least a part of the first circuit board. The detection assembly is configured to detect air pressure information in the second air channel. The first fixing member is connected to the detection portion, and is configured to limit displacement of the detection assembly on the detection portion.