It means a slogan used to call for help or ask for support in an emergency. According to relevant information, this is a slogan used to call for help or ask for support in an emergency. When there is an emergency, people can use this slogan to show that they need help now, arouse the vigilance and attention of others, and get help as soon as possible. It is an easy-to-understand advertising language, which can quickly convey information, arouse others' response and achieve the maximum effect in a short time.