The idea of 20th PORTO International Conference on Advances in Agricultural, Biological and Medical Sciences (A2BMS-21) scheduled on April 12-14, 2021 at Porto (Portugal) is for the researchers, scientists, scholars, engineers and practitioners from all around the world to present and share ongoing research activities. This conference provides opportunities for the delegates to exchange new ideas and application experiences face to face, to establish business or research relations and to find global partners for future collaboration.