The deficit of social interaction is main difficulty in children with Autistic Spectrum Conditions (ASCs). They have limited capability in social etiquettes, which affects their social life and friendship network. The purpose of this study is to investigate the performance of using data glove cooperated with stereoscopic projection to assist the impairment of social etiquettes for children with ASCs. The 3D virtual park (3DVP) system cooperated data glove and 3D-glasses were designed. Participant can use a 'data glove' to interact with virtual objects and characteristics, and a '3D-glasses' immersed in the virtual environment. This study involved a multiple baseline design to observe performance of the social etiquettes skills and explored evaluation of using the 3DVP system intervention for participants with ASCs. The experimental study consisted of 3 months length, and the preliminary results indicate that children with ASC were beneficial by using this 3DVP system.