Objective To understand the knowledge and needs of carotid stenosis prevention among community health workers in Guangzhou. Methods A Kirkpatrick model-based questionnaire survey was conducted among 194 health workers in community health service center in Guangzhou. Results 52.58% of the community medical staff could point out the relationship between carotid stenosis and stroke, but few of them could accurately point out the definition and surgical treatment of symptomatic carotid stenosis(14.95%,18.56%). 97.94% of them could pointed out that the most commonly used screening methods for cervical carotid stenosis, but most of them didn't know how to interpret the inspection result of color doppler ultrasound. Medication guide were the main knowledge source of carotid stenosis(33.89%) and post-graduate training was the most promising approach(26.12%). Conclusion Community health workers have formed the basic concept of stroke and carotid stenosis, but it was limited in extent. It is necessary to carry out various forms of continuing education to improve the level of awareness of community health workers on carotid artery stenosis.