Capsule for tonifying lung and activating blood and preparation method thereof

The invention relates to the field of traditional Chinese medicines, in particular to lung-tonifying and blood-activating capsules and a preparation method thereof. The capsule for tonifying lung and promoting blood circulation is obtained by the following method: (1) adding water into fructus psoraleae for soaking treatment, and pouring out the water to obtain soaked fructus psoraleae at the soaking treatment temperature of less than 70 DEG C; (2) mixing the soaked fructus psoraleae with the soaked radix paeoniae rubra and the soaked radix astragali, adding water for decoction treatment, filtering and collecting supernate; and (3) concentrating, drying and granulating the supernate, and filling into capsules to obtain the lung-tonifying and blood-activating capsules. By soaking the fructus psoraleae, the content of psoralen and isopsoralen can be effectively increased, so that the content of effective components is increased, the quality of the lung-tonifying and blood-activating capsule is improved, and the