With the current annual incidence of about 63 000 new cancers in the Czech Republic and with 320 000 treated diseases it is necessary to make use of all experience to warn the population against cancer. The treatment of more than 8 million oncological patients in the U.S.A. demands more than 100 billions dollars per a year. In order to support it, a postage stamp with an extra charge of 8 cents was issued in 1998. The 200 mil. pieces will bring given an expected profit of 16 mil. dollars which will be to the research of breast cancer. That is why a proposal has been submitted to issue the first Czech postage stamp with the topic of cancer prevention. The aim is to draw the people’s attention to the risk of cancer and to support the healthy way of life. The issuing of the stamp will not include any extra charge for the support cancer treatment.

        Key words: incidence of malignancies, number of cancer patients, breast cancer.