At each country the features and problems. One are frightened by the "come in large numbers" Polish sanitary technician, others cannot build a motorway without Ukrainian , the third sound alarm in connection with mass outflow of a labour further on the West. The new document provides introduction of "a blue card» EU (blue card), partially copied from American "residence permit" green card. Thanks to this "card trick" Europeans hope the next 20 years to accept about 20 million immigrants really necessary to them. The card will allow the worker and his family to live in host country, to earn not less local citizens and to use all social blessings. But unlike the American analogue it not the residence permit giving the constant work permit. «The blue card» will operate temporarily and only in borders of the country which have given out it.