Ride refers to the service personnel who are engaged in serving passengers on the aircraft. Also known as "flight attendants". Flight attendants include male flight attendants and female flight attendants; Flight attendants refer to unmarried female flight attendants, and married female flight attendants are called empty wives. Air hostesses are usually divided into three types: 1, full-time flight attendants, and epaulettes are generally bars; 2. The flight attendant is a part-time security officer, and the epaulettes are generally two bars; 3, full-time air safety officer, epaulettes are generally two bars.