A terminal device configured to be able to communicate with a server having a database of biological information measured by a biological information measuring device, the database including measurement data of biological information of a user of another terminal, the measurement data being transmitted from the other terminal device to the server, the terminal device comprising: a reception unit configured to receive the measurement data from the server; a condition determination unit configured to determine whether a health condition of the user is normal or abnormal, based on the measurement data received by the reception unit; an information output unit configured to output information about a health condition of the user, at least based on a determination result of the condition determination unit; and an importance determination unit configured to determine whether importance of the measurement data is equal to or higher than a reference level, wherein the measurement data includes at least one of a time of measurement and a date of measurement of biological information of the user, importance of the measurement data is set in accordance with a type of biological information corresponding to the measurement data and an interval of measurement timing of biological information corresponding to the measurement data, and when a health condition of the user is abnormal and the importance is equal to or higher than the reference level, the information output unit outputs abnormality information indicating that a health condition of the user is abnormal, wherein the interval of measurement timing for each of blood pressure and body temperature is set to be shorter than a reference time, and an interval for each of sleep duration, step count and weight is set to be equal to or longer than a reference value. the database including measurement data of biological information of a user of another terminal, the measurement data being transmitted from the other terminal device to the server, the terminal device comprising: a reception unit configured to receive the measurement data from the server; a condition determination unit configured to determine whether a health condition of the user is normal or abnormal, based on the measurement data received by the reception unit; an information output unit configured to output information about a health condition of the user, at least based on a determination result of the condition determination unit; and an importance determination unit configured to determine whether importance of the measurement data is equal to or higher than a reference level, wherein the measurement data includes at least one of a time of measurement and a date of measurement of biological information of the user, importance of the measurement data is set in accordance with a type of biological information corresponding to the measurement data and an interval of measurement timing of biological information corresponding to the measurement data, and when a health condition of the user is abnormal and the importance is equal to or higher than the reference level, the information output unit outputs abnormality information indicating that a health condition of the user is abnormal, wherein a reception unit configured to receive the measurement data from the server; a condition determination unit configured to determine whether a health condition of the user is normal or abnormal, based on the measurement data received by the reception unit; an information output unit configured to output information about a health condition of the user, at least based on a determination result of the condition determination unit; and an importance determination unit configured to determine whether importance of the measurement data is equal to or higher than a reference level, wherein the measurement data includes at least one of a time of measurement and a date of measurement of biological information of the user, importance of the measurement data is set in accordance with a type of biological information corresponding to the measurement data and an interval of measurement timing of biological information corresponding to the measurement data, and when a health condition of the user is abnormal and the importance is equal to or higher than the reference level, the information output unit outputs abnormality information indicating that a health condition of the user is abnormal, wherein