The purpose of this advertisement is to discourage people from smoking.
The advertisement does not contain any text but has a strong visual impact. There is a cigarette being burnt and the ashes that are being produced by the cigarette is forming a figure of a human being. The person seems to be crawling and struggling for one's life. This is showing that he is having problems with his health due to the long term effect of smoking. There also seem to be smoke coming off of the person, this is showing that the life of the person is slowly being drained away by the cigarette. Also the grey color represents dullness, showing the situation smokers will experience as they suffer from the side effects of smoking.