Pepper ball weapon, or pepper tear gas, is a non-lethal weapon, which is used to launch pepper ball pellets with pungent, tearful and choking effects. These projectiles usually contain powdered tear agent. When they hit the ground or human body, the shell breaks and releases tear agent to prevent the target from moving.This weapon is mainly designed to control and disperse troublemakers. In some cases, pepper ball weapons are also used for defense, but it should be noted that this weapon has certain limitations. It can't cause serious injury, but it can cause some pain and discomfort. Care must be taken when using pepper ball weapons to avoid excessive stimulation to human body or sensitive areas directly.When using pepper ball weapons, we must abide by the relevant international and domestic laws to ensure that their use is legal, reasonable and necessary. In addition, it is necessary to take appropriate measures to protect non-combatants such as civilians and police to avoid unnecessary suffering and harm.In a word, pepper ball weapon is a non-lethal weapon, which is used to control and disperse troublemakers. When using this weapon, we must abide by the relevant laws and ethics, and take appropriate measures to protect civilians and non-combatants.