The present invention discloses a pharmaceutical preparation of Chinese herbal medicines which consists of Chinese herbal medicines for tonifying kidney and antiasthma, wherein the Chinese herbal medicines are Perilla Frutescens, Prunus Armeniaca, Glycyrrhiza Uralensis, Scutellaria Baicalensis, Coptis Chinesis, Tusilago Farfara, Stemona Sessilifolia, Fritllaria Cirrhosa, Pheretima Aspergillum, Psoralea Corylifolia, Codonopsis Pilosula, Hordeum Vulgara, Massa Fermentata Medicalis, Schisandra Chinensis, Gypsum. The preparation has been used in China for 20 years, and in Israel for more than 5 years. It has been used to treat thousands of patients suffering from asthma with an effective rate of 93%. The present preparation can relieve cough, expel phlegm, resist airway allergic inflammation reaction, improve pulmonary function, partial pressure of the oxygen in blood and increase CD2, CD4, CD4 / CD8, reduce IgE in blood, and increase CAMP, reduce CGMP, stabilize mast cells, inhibit the release of histamine, which makes it capable of stopping the attack of asthma. As shown with an electron microscope, the preparation protects lung cells, increases lung cells of type 2, and recovers the lung's capacity. It can be applied to the hormone dependent patients for decreasing and ceasing the administration of hormone by adjusting hypothalamic-pituitary-adrenal axis. To further demonstrate the therapeutic effect, a clinical trial carried in the Tel-Hashomer Hospital of Israel proved the preparation can improve asthma significantly.