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Tar removal and energy recovery of tar are two main problems, which hinder the development of the clean and efficient combustion technology of pyrolysis gas. Based on the combustion technology of fuel gas, the design of a new type of pyrolysis gas burner and study on the pyrolysis gas combustion and emission characteristics were focused on. According to the quantity of the pyrolysis gas, the treatment capacity of the burner was 2~5m3/h. The parameters of the burner were determined by theoretical calculation. The experiment platform consisted of gas burner, combustion chamber, catalystic cracking equipment and flue gas analyzer. Pyrolysis gas originated from peanut shell continuous carbonization flowed into gas burner without condensing. The carbonization temperature and retention time were 500℃ and 30min. The direct combustion test and catalytic combustion experiment were carried out, respectively. The experiment results indicated that the gas burner was working well. The combustion of pyrolysis gas was stable and combustion efficiency could amount to 98.5%. However, under the action of the catalyst, the combustion efficiency was increased to 98.9%, while the nitrogen oxides produced was increased by 20mg/m3. The research results provided an important reference for the development of high efficiency clean utilization technology of pyrolysis gas. The location of the catalytic cracking unit would need to be studied.