To provide a security system capable of immediate suitable management while actually confirming a content of an abnormality at a site without being based on prediction like before by providing real security information "whether the abnormal circumstance actually occurred" and what the "content" of the abnormal circumstance is to a person who goes out.

In this personal security system, the portable information equipment is provided with a means instructing an image pickup means to start to pick up an image or to transmit the picked up image information by radio, and the image pickup means starts to picking up an image or transmits the picked-up image information based on the instruction from the portable information equipment.