An information processing system comprising a mobile equipment and an information processing apparatus, wherein the mobile equipment comprises: a sensor for acquiring biological information; a camera for acquiring an image corresponding to a visual field of a user; and a first communication means for performing radio communication with the information processing apparatus, the information processing apparatus comprises: a second communication means for performing radio communication with the mobile equipment and a public network; and computing means, wherein the first communication means wirelessly transmits the biological information acquired by the sensor to the information processing apparatus, the computing means determines whether to activate the camera based on the biological information that is acquired, and upon determination that the camera is to be activated, the computing means transmits an instruction to activate the camera to the mobile equipment by using the second communication means, after the camera is activated, the first communication means wirelessly transmits the image acquired by the camera to the information processing apparatus, and the computing means extracts a feature from the image that is acquired and transmits information regarding the extracted feature to the public network using the second communication means, and performs search using the information regarding the extracted feature to acquire a searched result regarding the extracted feature, the computing means varies the feature to be extracted from the image acquired by the camera based on the biological information acquired by the sensor, and the sensor is a brain wave sensor, and the computing means varies the feature to be extracted from the image acquired by the camera between a case in which the brain waves acquired by the brain wave sensor indicate a positive feeling and a case in which the brain waves indicate a negative feeling. a sensor for acquiring biological information; a camera for acquiring an image corresponding to a visual field of a user; and a first communication means for performing radio communication with the information processing apparatus, the information processing apparatus comprises: a second communication means for performing radio communication with the mobile equipment and a public network; and computing means, wherein the first communication means wirelessly transmits the biological information acquired by the sensor to the information processing apparatus, the computing means determines whether to activate the camera based on the biological information that is acquired, and upon determination that the camera is to be activated, the computing means transmits an instruction to activate the camera to the mobile equipment by using the second communication means, after the camera is activated, the first communication means wirelessly transmits the image acquired by the camera to the information processing apparatus, and the computing means extracts a feature from the image that is acquired and transmits information regarding the extracted feature to the public network using the second communication means, and performs search using the information regarding the extracted feature to acquire a searched result regarding the extracted feature, the computing means varies the feature to be extracted from the image acquired by the camera based on the biological information acquired by the sensor, and the sensor is a brain wave sensor, and the computing means varies the feature to be extracted from the image acquired by the camera between a case in which the brain waves acquired by the brain wave sensor indicate a positive feeling and a case in which the brain waves indicate a negative feeling. a second communication means for performing radio communication with the mobile equipment and a public network; and computing means, wherein the first communication means wirelessly transmits the biological information acquired by the sensor to the information processing apparatus, the computing means determines whether to activate the camera based on the biological information that is acquired, and upon determination that the camera is to be activated, the computing means transmits an instruction to activate the camera to the mobile equipment by using the second communication means, after the camera is activated, the first communication means wirelessly transmits the image acquired by the camera to the information processing apparatus, and the computing means extracts a feature from the image that is acquired and transmits information regarding the extracted feature to the public network using the second communication means, and performs search using the information regarding the extracted feature to acquire a searched result regarding the extracted feature, the computing means varies the feature to be extracted from the image acquired by the camera based on the biological information acquired by the sensor, and the sensor is a brain wave sensor, and the computing means varies the feature to be extracted from the image acquired by the camera between a case in which the brain waves acquired by the brain wave sensor indicate a positive feeling and a case in which the brain waves indicate a negative feeling.