Objective To evaluate the situation of grasping bronchial asthma(asthma) knowledge ofdoctors related with asthma patients in central hospitals of region level cities in Shaanxi province, and toappraise the effect of doctor education in order to provide evidence for the next step of education. MethodsSix hospitals were selected from six region level cities, where questionnaire survey was completed in thedorctors from the department of respiratory medicine, internal medicine, emergency or pediatrics. Thequestionnaire involved pathogenesy, prevention, treatment and advencement of global initiative for asthma(GINA). Results 187 doctors completed the qusetionnaire,and the ratio of every speciality was 29.9%,23.0%,26.7% and 20.3%, respectively. 58.9%-62.5% dorctors in respiratory knew the organization ofasthma clearly and the ratio was very higher than that in other spciality. But 10.7% dorctors did not knowthe significance of GINA. World Asthma Day was known in 87.6%. 69.9% doctors understood thepathogenesy of slow airway inflammation, while the highest ratio was 78.6% in repiralogy and the lowestone was 55.8% in internal medcine. Repiratory doctor knew the classification of asthma according tocontroled level most clearly in all people. 54.8%-75.0% doctors knew the importance of inhaledcorticosteroid (ICS)in therapy. But the effect of asthma control test and stort-acting β2-agonist wasunderstood only by 7.1% and 42.9% respiratory doctors. 37.8% doctors knew the use of long-actingβ2-agonist should be combined with ICS. 52.0%-76.4% doctors knew the blocker of leukotriene receptorwas control medcine. 51.9% docors thought that sensitinogen extractive produced by himself could be uesedin asthma patients. Only 35.3% doctors knew the significence of pulmonary function in diagnosing asthma.12.3% doctors admitted oral administration was the optimal way. 20.9% and 19.3% doctors expressed theycould not use or did not see the equipment of inhaled powder. Only 42.2% doctors accepted the education onasthma in recent three years, and 54.5% doctors formulated the long-time management plan for eachout-patient. Conclusions The situation of grasping asthma knowledge of doctors in central hospitals ofregion level cities in Shaanxi province is investigated throuth survey. In all,the level of learning new GINA inrespiratory doctors is higer than that in other speciality. However, more work need be done to make thestandard threatment popular. The information of survey will offer help for the plan of doctor education inwestern area of the country.