Abstract: Tea was digested by MDS- 2000 microwave clear up system,Arsenic,lead,Iron,Copper,Selenium all together 12 elements were determined. This paper study the method of dealing with the tea sample and determination conditions by ICP- AES,Influence such as acidity elements interferenence were discussed.The rate of recovery of the 12 elements is from 84.5% to 1.5% ,and the relation standard deviation (RSD)is less than 9.0% ,The results was satisfactory for tea.

Key words: Microwave clear up system ICP- AES Tea Arsenic Lead Iron Copper Selenium all together 12 elements