OBJECTIVE： To investigate the application of antiplatelet drugs and statins for patients with hypertension and diabetes in Chongqing， and provide reference for promoting the rational use of the 2 drugs for the patients. METHODS： Questionnaires were conducted for the patients with hypertension and diabetes in 4 hospitals of Chongqing from Sept. 2012 to Sept. 2015， and the related data was statistically analyzed. RESULTS： Totally 1 800 questionnaires were sent out， 1 800 were effective received， with effective recovery of 100％. In the 1 800 patients， only 28.9％ patients were taking antiplatelet drugs， in which， 33.7％ patients with antiplatelet drugs showed shorter time of treatment than the history of hypertension and diabetes， 21.5％ patients orally received aspirin 100 mg/d+clopidogrel 75 mg/d dual antiplatelet treatment； the main reason without taking antiplatelet therapy was that 39.2％ patients thought it was not necessary to take medicine， 23.0％ patients feared side effects and 17.5％ was not aware of using the drug. 45.7％ patients were taking statins， in which， 29.3％ patients with antiplatelet drugs showed shorter time of treatment than the history of hypertension and diabetes； simvastatin （20-39 mg/d） and atorvastatin （10-19 mg/d） were the most commonly used dose， accounting for 24.4％ and 25.3％ of the total number of statins， respectively； the main reason without taking statins was that 33.2％ patients thought it was not necessary to take medicine， 20.9％ patients thought it was too expensive， and 15.8％ was not aware of using the drug. CONCLUSIONS： The antiplatelet drugs and statins are still underused in hypertension and diabetes patients in the 4 hospitals of Chongqing.