Abstract: In the process of the tritium target preparation, the tritium content monitoring in timely and the waste gas with tritium cleaning as quickly from the glove box is very important. In the paper, the feasibility of replacement of the hydrophilic catalyst by the hydrophobic catalyst Pt ST/DVB prepared in our lab is studied, and the running parameters of the cleaning system using Pt ST/DVB catalyst are surveyed.The result shows that the hydrophi lic catalyst can be replaced by the hydrophobic catalyst Pt ST/DVB in the cleaning system.