Salidroside is a compound extracted from the dried roots and rhizomes or dried whole grass of Rhodiola sachalinensis. It has the functions of preventing tumor, enhancing immune function, delaying aging, anti fatigue, anti hypoxia, anti radiation, bi-directional regulation of central nervous system, repair and protection of body, etc. It is usually used for the treatment of chronic patients and vulnerable patients. Clinically, it is used to treat neurasthenia and neurosis, improve attention and memory, high altitude polycythemia and hypertension; As a nerve stimulant, it is used to improve intelligence, autonomic nerve vascular dystonia, myasthenia and so on; For diseases with increased free radicals, such as tumor, radiation injury, emphysema, senile cataract, etc; It is also used as a strong agent for impotence and so on; Salidroside preparation is also used in sports medicine and aerospace medicine, and for the health protection of workers under various special environmental conditions.