COVID-19 was declared by the World Health Organization (WHO) as a pandemic on March 11th, 2020, because it is a highly contagious viral infection. It infected more than 153 million people until the beginning of May 2021 and caused more than 3.2 million deaths worldwide. In Peru, the first case was reported on March 6th, 2020, days later the entire country was quarantined to prevent the spread of COVID-19 and not further complicate the health system. With this, it affected economically many people who did not have a full-time job; therefore, the government reactivated some activities if they comply with biosafety measures, among them is social distancing, being important to keep it at least two meters from other people whenever possible, but unfortunately people fail to comply with this measure. In view of this problem, this article will carry out the design of a distance detection system for patients in a health center, in such a way that the system performs the most exact measurement of the distance between people, and it can be implemented in any place where there is an agglomeration of people to put order within the place. Through, the design of the system, will work in the most appropriate way, in such a way that it will help to prevent the spread of COVID-19 that currently continues to affect many countries.