The invention relates to a portable type alarming and blind guide system with low power consumption. The portable type alarming and blind guide system is characterized by comprising main equipment, wherein the main equipment comprises a main single chip microcomputer, wherein the main single chip microcomputer is connected with an ultrasonic wave distance measuring module, a three-axis acceleration sensor, a voice alarm, a vibration alarm and a man-machine interface respectively. The portable type alarming and blind guide system with the low power consumption adopts a low power consumption design and has the advantages of complete functions, high precision, simplicity and convenience for operation and low cost; the price is suitable for common blind people with low investment to consume and the better blind guide effect can be realized.