Pesticide residues and patulin are two important factors affecting the quality of fruit juice, the contents of which depend upon the quality of raw fruit and the processing technology for fruit juice. Therefore, it's of high importance for the production of fruit juice to use rapid and accurate detection methods and to adopt reasonable processing technology. In the paper, the category and origin of pesticide residues and patulin in fruit juice are discussed, the common methods of detecting and removing them are reviewed, and some progress in the field reported.