COVID19 has left a crisis in the economy around the world, being a highly contagious virus and not having adequate control, it spread through many countries, which is why it was declared a pandemic on March 11th, 2020, by the World Organization of health (WHO). Until the beginning of May 2021, more than 153 million people have been infected and it has caused more than 3.2 million deaths around the world. In Peru, the first case was confirmed on March 6th, 2020, with the number of cases rapidly increasing and the first fatalities appearing on March 19 (three on the same day) and two in the following days. With this, COVID- 19 made us see how in our country the health system was not prepared to face a problem of such magnitude, therefore, naked the terrible health situation in Peru. In view of this problem, in this article the design of a body temperature measurement system applied to the health center staff was carried out, in such a way that it measures the body temperature of each person who enters the health center, with this, we would have greater control and in addition to helping to avoid spreading the virus that currently continues in our environment. Through the design of the system, it was observed that the system worked in the best way by making the personnel in charge aware of the measurements made by the system.