Monitoring system of the physical condition of at least one user comprising at least one data detection device suitable to detect, by means of sensors, one or more indication data of the physical condition of the user and capable of sending said indication data to a data processing device; said data processing device being able to acquire and process the indication data received from said data detection device and able to compare such data with a range of predefined values and emitting an alarm signal when the received indication data do not fall within a range of predefined values.