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Polymeric micelles (PMs) play a vital role in multidrug co-delivery and cancer treatment. However, development of intelligent PMs further allows PMs to accurately target tumour, selectively release cargo multidrug and increase uptake. Therefore, targets, controlled release and uptake of intelligent PMs should be paid more attention to improvement of synergistic therapeutic outcomes and minimize side effects. In this review, tumour targeting of co-delivery intelligent PMs and its intracellular trafficking mechanisms were overviewed. And this review provides a comprehensive summarization of several intelligent co-delivery PMs. Such a system could control the multidrug to be released simultaneously or sequentially by special properties of tumour microenvironment (TME) (including acidic PH, redox, overexpressed enzyme, excessive temperature) and external environment trigger. Additionally, limitations, clinical translation and future perspectives of intelligent co-delivery PMs were also being discussed in this article.