COVID-19 affects anyone without distinguishing ages, presents symptoms such as fever, dry cough, and shortness of breath. All this presents the infected person, some have mild symptoms while others have strong symptoms. This virus began at the end of 2019 in China, being a very contagious viral infection was declared a pandemic by the WHO so that governments take the corresponding measures. Even so, this virus affected the entire health system that, in April 2020, registered more than 80,000 deaths worldwide, where some countries had the highest mortality rate. In view of this problem, in this article the design of a body temperature measurement system made through an unmanned aerial vehicle was made to measure the body temperature of people and observe if they have a fever, with this, it would be avoided that people continue to be infected when they enter an enclosed place. Through the design of the body temperature measurement system, it is observed that its function is precise and its manipulation is friendly, it classifies people according to the measured value of the temperature, if it presents a normal value it will be allowed to enter the place, but its present a high value will be denied entry and will give notice for a previous evaluation, The important thing about this system is that it can be used anywhere where the temperature measurement is intended.