The invention relates to the field of online advertisement putting, in particular to an advertisement putting method and system. The advertisement putting method includes the steps of putting advertisement sets for each user several times, counting and collecting all users' direct negative feedback behaviors for each advertisement in the advertisement sets, and sending the behavior information toa negative feedback rule trigger; if some direct negative feedback behaviors currently received from a user satisfy one of trigger rules, converting the user's direct negative feedback behaviors satisfying the trigger rule into a putting policy for the user through the negative feedback rule trigger, and making a putting machine on an advertisement line put amended advertisement sets for the corresponding users according to different putting policies. According to the advertisement putting method and system, under the situation that the users have no understanding limitations, the advertisement experience of the users is improved, and the rate of return on investment is increased for advertisers.