Abstract: Such problems occurring in the appraisement of invisible assets as legal understandardization, scientific understandardization, financial unders tandardization, ethic understandardization and methodic understandardization are mainly caused by the comple xity of appraisement itself and by the subjective factors of the persons and organizations that do the appraisement .To overcome these problems, it is a must to set up a complete set of statutes of appraisement,to perfect appraisement organizations, to train appraisement experts, to propagate appraisement knowledge, to establish the appraisement supervision system and to set up the ethic stardards of appraisement.

Key words: appraisement , invisible as sets, understandardized phenomenon, countermeasure