助理控煙督察會被調派到衞生署轄下的控煙辦公室執行下列主要職務 - (a) 履行與衞生署負責執行控煙條例的執法職務和規管工作，包括進行調查、實地巡查、收集證據，以及發出定額罰款通知書並就違法行為展開檢控行動； (b) 在有需要時根據法律程序提供證人陳述書並在法庭上作證； (c) 協助舉辦健康教育及推廣活動和審閱刊物，查找違例的煙草廣告； (d) 協助處理公眾查詢，並就吸煙相關事宜的投訴進行調查；以及 (e) 協助執行各項辦公室行政工作，包括備存執法記錄、編製統計資料並撰寫報告。 (備註：助理控煙督察須穿著制服；輪班當值及不定時工作(包括於夜班、星期六、星期日及公眾假期當值)；執行戶外職務並在颱風襲港及其他緊急事故時執行職務。)

The Assistant Tobacco Control Inspectors are mainly deployed to the Tobacco Control Office in the Department of Health to - (a) carry out law enforcement duties and regulatory work pertaining to tobacco control, including investigation, field inspection, collection of evidence, issuing fixed penalty notices and initiating prosecution actions for contravention of the law; (b) give witness statement in legal proceedings and testify in court where necessary; (c) assist in organising health education and promotion activities and screening publications for illegal tobacco advertisement; (d) assist in handling public enquiries and investigating complaints on smoking-related matters; and (e) assist in various office administration work, including maintaining enforcement records, compiling statistics and writing reports. (Remarks: An Assistant Tobacco Control Inspector is required to wear uniform; work shifts and irregular hours (including night shifts, Saturdays, Sundays and public holidays); perform outdoor duties; and attend duties during typhoons and emergencies.)