Transmission of Newcastle pneumonia is mainly through droplet transmission and contact transmission. Official travel and official visits during an outbreak should be avoided as much as possible related issues. Official travel protection: 1. Daily disinfection: the interior of the special car and door handles must be wiped with 75% alcohol once a day; 2. Official visit protection: 1.Mask shall be worn; 2.Before entering the office building, first conduct a temperature test, and introduce any history of contact with Hubei and symptoms such as fever, coughing and breathlessness; 3.When there is no such condition and the temperature is 37.2℃ and below, you can enter the building for official work.