The article views that the study on the
material basis of 4 natures of Chinese drugs can be made with the following technological
line:documentary research(systemically reorganize 4-nature theoretic system of Chinese drugs,scientifically define the individual nature)research on the origin of medicinal materials(define standard of medicinal materials,seek the elements and rules related with the 4 natures)analysis on component system(define material component of individual drug)research on component variety,amount and existing form(seek the relative rule between four natures and the variety,amount and existing form of basic material component)analysis on the functional mechanism of compound drug target model(group the drugs of samiliar function,same nature,select and observe the target pointing to main function,make drug target model,study the functional mechanism of basic component related to 4 natures)deal with datadocumentary research(analyse and appraise drug nature foundation)model test(appraise the science of drug nature definition base).