Chinese and English microblog is mostly expressed by single language, nearly 80% Tibetan Microblog presented by Tibetan and Chinese mixed text. If only do emotion orientation analysis of Tibetan or Chinese will lose emotion information, cannot get better effect. By emotion orientation analyzing and studying of Tibetan microblog which is concerned in Sina, making Tibetan Chinese emotion dictionary, Chinese sentences, Tibetan part of speech sequence and emotion symbol as emotion factors and using expected cross entropy combined fuzzy set to do feature selection to realize a kind of microblog emotion orientation analyzing algorithm based on Tibetan and Chinese mixed text. The experimental results showed that the method can obtain better performance in Tibetan and Chinese mixed Microblog orientation analysis.