The article “Prevention of corruption in public procurement: importance of general legal principles” examines the importance of general legal principles in the sphere of public purchases. The purpose of the work is to analyse the information on possible methods of prevention of and fight against corruption. The main result of the work is the conclusion that strict adherence to the general legal principles is one of the corruption-reducing factors. While combating corruption in the field of public procurement, general legal principles (...) should not be divided into primary and secondary principles, because they are all equally important and complement each other. Audit of the normative acts regulating public procurement shall be performed in the Member States of the European Union; positivisation of the following principles will effectively prevent manifestations of corruption in the area of public procurement: the principle of responsibility; principle of permanent composition of the procurement commission; the principle of in dubio pro reo; the principle of compensation; the principle of control; the principle of objectivity; the principle of completing the procurement procedure within a reasonable time period. (shrink)