In the study, which used an online questionnaire survey, a total of 680 valid questionnaires were collected by SPSS statistical software. The unmanned AI coffee machine for product involvement to the trust, trust to consumption intention and product involvement to consumption intention has a significant positive effect, the trust to perceived risk and perceived risk to consumption intention has a significant negative effect, while product involvement not have significant effect on perceived risk. Comprehensive analysis results found, raise unmanned AI coffee machine involvement is able to increase the trust of consumers and consumption intention, however to maintain the machine in stable and minimize the failure, will assist to reduce the perceived risk of consumers and enhance the consumption intention.