Pesticides are known to be chemical drugs that they have been developed against pests in agriculture and the human health have been negatively affected by their over use in agricultural products. For this reason, it is very important to pay attention to the use of pesticides especially in agricultural products, in terms of preventing the harm they will cause to the environment and human health. In recent years, the findings revealed in the studies on the detection of pesticides in foods as well as the contamination of various water sources, aquatic products and the environment clearly have been revealed the importance of the subject. Pesticides used in the cultivation of agricultural products are transmitted to the various water sources by the irrigation and rainwater as well as to the the types of aquaculture species that have been caught and cultivated. Therefore, it is also known that the consumption of fish products containing pesticides by humans can be caused various diseases. As a result, it is thought to be necessary that the limiting the use of pesticides in agricultural products, the required checks regarding the use of pesticides, the use of natural products instead of using chemical pesticides, which have harm effects on human health as well as it is necessary to be taken precautions in order to prevent the contamination of pesticides to the waters and aquatic organisms. Additionally, the development of new methods to prevent the contamination of pesticides to the aquatic organisms and continuity of inquiry to determine the presence of pesticide pollution in the waters and products should be ensured for human health as well. For this reason, this compilation study aims to raise awareness about the effects of pesticides on the quality of fresh and processed products and also on the human health.