The invention provides a capsule for reinforcing yin and clearing deficient heat, wherein the medicine powder in the capsule is formed by mixing the raw material powder or decoction piece powder in proportions with the following parts by weight: 1.5-2 parts of radix rehmanniae, 1.5-2 parts of prepared rehmannia root, 1-1.5 parts of radix codonopsitis, 0.6-1 part of psoralea fruit, 0.6-1.2 parts of the fruit of Chinese wolfberry, 0.6-1 part of dogwood, 1-1.5 parts of semen cuscutae, 1-1.5 parts of epimedium, spina date seed, placenta hominis, the root of straight ladybell, ophiopogon root, cortex lycii radicis, alisma orientale, angelica, radix paeoniae alba, ligusticum wallichii, etc. The capsule medicine powder also can be extract powder obtained by boiling and extracting the combined original medicine. The capsule is characterized by enriching the blood and activating the blood, replenishing qi and nourishing blood, strengthening the liver and the kidney, nourishing yin to reduce pathogenic fire, excreting dampness and replenishing water, removing steam and expelling toxin, being capable of effectively curing symptoms such as light headedness, dysphoria, botheration without reasons, insomnia, skin itch, leg and foot heating, and the like, especially being suitable for menopause women and some old men, and preferably curing the insomnia. The capsule provides a wonderful choice for curing the insomnia.