Longlife tea is processed based on the formula from Illustrated Handbook of Tibetan Medicine . In its compositions, Rhodiola and Potentiua Anserina are growing under the pollution-free natural environment on Qinghai-Tibet Platean with elevation of 3500-5000m. The contents of Se, Ge and Ca and various vitamins in 1g Potentina Anserina are 100 times of that in common foods. With functions of activating immunocyte, postponing senility and restraining the cancer cell, Se is becoming the hot spot of health products. The Salidroside contained in Rhodiola can increase the oxygen content of hemoglobin, has broadly applied in antifatigue, fighting against senium, decrease of blood fat and improving of memory and body capacity and can be used as a bidirectional regulating agent to ease various aged's diseases, diabetes mellitus, impotence, hemoptysis and depression. The emperors of past dynasties deemed Rhodiola as a tonic more valuable than Ginseng and asked for paying tribute. Health protection tea is looking for regional agent now !