Abstract: The pulsed neutron coal fast analyzer is a new type of instrument which can test data index of carbon, hydrogen, oxygen, sulfur, moisture content, ash volatility, low calorific value, etc in 15 minutes. The data of measuring are accurate. It can be used in the coal production, coal combustion and coal distribution. The results of measurement can direct the coal industrial production. It has brought great economic benefit and social benefit since it is used in electric power plants.