Liuwei Dihuang decoction total extract composition and preparation method and application thereof to preparation of drugs for treating heart, brain and testis complications caused by stress response

The invention provides a Liuwei Dihuang decoction total extract composition and a preparation method and application thereof to preparation of drugs for treating heart, brain and testis complications caused by stress response. The composition comprises the active pharmaceutical ingredients including radix rehmanniae praeparata, prepared fructus corni, Chinese yam, rhizoma alismatis, cortex moutan and Indian buead in a weight ratio of 8:4:4:3:3:3. The composition is characterized in that the composition comprises an essential oil beta-cyclodextrin inclusion compound ingredient, a polysaccharide ingredient, a glucoside ingredient and a fat soluble ingredient of a Liuwei Dihuang decoction total extract. The composition and the preparation method have the following beneficial effects: the defect that the fat soluble active ingredients of the Liuwei Dihuang decoction total extract are neglected in the prior art is overcome; the more complete ingredient composition of the Liuwei Dihuang decoction total extract is o