The invention discloses a rabdosia rubescens-pear composite drink. The rabdosia rubescens-pear composite drink contains a rabdosia rubescens extract and pear juice, wherein the weight of the pear juice is 24-38 times of the weight of the rabdosia rubescens extract. The invention further discloses a preparation method for the rabdosia rubescens-pear composite drink. According to the preparation method disclosed by the invention, a natural, healthy and fashionable fruit juice drink with a certain health function is obtained after the rabdosia rubescens extract is compounded with the pear juice, the drink is stable in state, attractive in colour, brightly brown, fresh and pure in taste and comfortable in mouthfeel, as well as is an ideal health drink for high-temperature and pollution operators, smokers and drinkers, voice-usage people such as teachers, white-collar workers and middle aged and elderly people. Meanwhile, a new way is explored for deep processing of rabdosia rubescens and pears, certain theoretical and practical reference values are generated for development and application of the rabdosia rubescens and the pears, and the great significance is achieved for prompting the deep processing and industrial development for the rabdosia rubescens and the pear.