A portable medical apparatus includes: a measuring section which is configured to measure a plurality of vital signs parameters based on vital signs signals of a patient an operating section which is configured to receive a user operation a displaying section which is configured to display: a first screen for displaying first information of at least a part of the plurality of vital signs parameters and a second screen for displaying second information of at least a part of the plurality of vital signs parameters, the second information at least a part of which is different from the first information and a controller which is configured to switch the first screen and the second screen in the displaying section, based on the user operation.
