The 13th International Meeting on Cholinesterases *and the *7th International Conference on Paraoxonases* gathering the most respectable scinentist from the field of organophosphorus poisoning, Alzeimer's diease and other areas related to enzymes acetylcholinesterase and paraoxonase. The conference was organised in Hradec Kralove, Czech Republic from 9-14th September.There was 162 delegates from around the world presenting recent finding in the field.