The study investigated the effect of positive reinforcement counselling technique on tobacco smoking among secondary school students in Katagum, Bauchi State. The research design adopted for this study was a quasi-experimental involving a pre-test and post-test research design. Population of the study consists of 1772 SS2 students from twelve senior secondary schools. The instrument used for this study Tobacco Smoking Assessment Scale (TSAS) was designed by the researcher. Section A sought for the Demographic data while Section B contains 15 items that may likely be the reasons of tobacco smoking. Data collected were analysed using Spearman's coefficient correlation to find out the reliability of the instrument. A coefficient correlation of 0.778 was obtained. The procedure for data collection in this study was in three stages, the pre-test, treatment session and post-test, the subjects were pretested then exposed to positive reinforcement counselling technique treatment for six weeks; each session lasted for 30 minutes. The Treatment group were post tested after the treatment. The data collected were analysed. Null hypothesis one was tested using the inferential statistics of paired sample t test, null hypothesis two and three with the independent t test. It was found out that significant difference existed on the effect of Positive reinforcement counselling technique on reducing tobacco smoking among secondary school students (t = 23.09 and p = 0.00), There was no significant difference in effect of positive reinforcement counselling technique on tobacco smoking among male and female secondary school students (t = 0.97 and p = 0.34) and There was no significant difference of positive reinforcement counselling technique on tobacco smoking among secondary school students in the rural and urban area (t = 0.73 and p = 0.47). Based on the findings, it was recommended that the school counsellors should make use of positive reinforcement counselling technique to reduce and manage the tobacco smoking habit of the secondary school students among others