Agricultural environmental pollution emergencies have become a hot research topic because of the high incidence and influence depth. This paper introduces classification and features of agricultural environmental pollution emergencies: by pollutant type, it falls into organic pollution emergencies and inorganic pollution emergencies; by the approach of entering agricultural environment, it falls into water resource agricultural environmental pollution emergencies and non-water resource agricultural environmental pollution emergencies. Hazards of agricultural environmental pollution emergencies are analyzed from 4 perspectives: personal security, indirect loss, ecological environment and social stability. In view of the hazards, countermeasures are given to deal with the pollution emergencies as (i) establishing a risk evaluation mechanism for agricultural environment; (ii) enhancing the capacity of handling agricultural environmental pollution emergencies; (iii) introducing new management concepts for environmental emergencies, and cultivating keen emergency management consciousness.