Cordyceps sinensis sustained and controlled release capsule and preparation method thereof

The invention relates to a worm grass slowly controlled release capsule and a preparation method thereof. The capsule comprises 5 parts to 50 parts of quick release pillers and 50 parts to 95 parts of slow release pillers, each quick release piller comprises a core for carrying a pill and a protective layer, each slow release piller comprises a core for carrying a pill and a slowly controlled release coating layer, and the capsule has the dose of 30mg to 100mg. Medicine continuously released by the worm grass slowly controlled release capsule outside a body can reach more than 90 percent in 24 hours, a patient only needs to take medicine once every day, so times for taking medicine every day can be obviously reduced, the toxic side effect of medicine is lowered, the adaptability of the patient is enhanced and the abuse of medicine is not easy to occur.