The invention discloses micro ribonucleic acids (
microRNA, miRNA) carried by 
cell microparticles (
Microparticle, MP), a method for preparing the same, and application thereof in the technical field of biotechnological 
pharmacy. The invention provides a combination of the micro ribonucleic acids for evaluating the physiological and / or 
pathological states of a participant, and the combination contains all the micro ribonucleic acids which exist stably in serum / 
plasma particles of the participant and are detectable. At the same time, the invention provides an experimental method for preparing the 
cell microparticles containing specific micro ribonucleic acids and using the 
cell microparticles to perform 
gene-level regulation and control as well as modification on other cells and tissues. The combination and the method can be used for detecting and treating various diseases, including the aspects of the diagnosis and the 
differential diagnosis of various tumors, various acute and chronic infectious diseases and other acute and chronic diseases, the prediction and the 
curative effect evaluation of the occurrences of 
disease complications and the recurrences of malignant diseases, as well as the 
active ingredient screening, the 
efficacy evaluation and the judicial 
authentication of drugs, the detection of prohibited drugs and the like; besides, the combination and the method have the advantages of wide detection pedigree, high sensitivity, low detection cost, convenient available material, easy storage of samples and the like.