How long do you usually get detained for fighting in the subway?

Legal analysis: 1. Those who beat others or intentionally hurt others' bodies shall be detained for more than 5 days and less than 5 days, and fined from 200 yuan to 500 yuan; If the circumstances are minor, they shall be detained for less than 5 days or fined for less than 500 yuan. 2. If the circumstances are particularly serious, they shall be detained for more than 10 and less than 15, and fined for more than 500 yuan 1000 yuan: (1) Those who gang up to beat or hurt others; (2) Beating or injuring disabled people, pregnant women, minors under the age of fourteen or elderly people over the age of sixty; (3) Beating and injuring others for many times or beating and injuring many people at one time, causing minor injuries or more, and it is necessary to be sentenced to intentional injury.

Legal basis: Article 9 of People's Republic of China (PRC) Public Security Administration Punishment Law. The public security organ may mediate and deal with acts that violate the administration of public security, such as fighting and damaging other people's property caused by civil disputes, if the circumstances are minor. If the parties reach an agreement through mediation by the public security organ, they will not be punished. If the mediation fails to reach an agreement or fails to perform after reaching an agreement, the public security organ shall punish the violator of public security administration in accordance with the provisions of this law, and inform the parties that they can bring a civil lawsuit to the people's court according to law.