Instrumental neutron activation analysis revealed the content of 39 macro-and microelements in the composition of 4 medicinal preparations, prepared from medicinal plants of the Ferghana Valley. The composition of the collections contains a large number of essential bioelements such as Ca, K, Na, Fe, Cr, Co, Cu, Mg, Mn, Se, Mo and Zn, which contribute to improving the function of the heart, kidneys, liver, stomach and other organs of the human body. The content of As and heavy metals such as Hg, Sb, Cd and Ba in all the studied plant collections not exceed themaximum permissible concentration. The high content of the amount of bioelements in the composition of medical fees suggests that the use of fees for the correction of bioelementosis is promisingбиоэлементозов: collection №1 – to increase the body's immunity and anemia, medical collection №2 – for infertility, as well as for the prevention and treatment of cardiovascular diseases, drug collection №3 – for atherosclerosis, depression and anemia and plant collection №4 – for the treatment of patients with diabetes mellitus, as well as heart diseases.