A biological information measurement device configured to measure biological information, and to store the biological information in a storage medium, the biological information measurement device including: a diagnosis support device for supporting a diagnosis which is performed by using a plurality of sets of biological information that are measured from a subject, and that are stored in a storage medium, the diagnosis support device including: an achievement status determining section configured to determine an achievement status of a predetermined condition related to biological information that is measured from the subject, based on the plurality of sets of biological information stored in the storage medium; and a notification processing section configured to perform a process of notifying of the achievement status, a scheduled-visit-day change determining section configured to acquire information of a scheduled hospital visit day of the subject from a storage medium that stores the information of the scheduled hospital visit day, and to determine whether the scheduled hospital visit day is required to be changed or not, based on the information and the achievement status, wherein the notification processing section is configured to notify a result of the determination by the scheduled-visit-day change determining section, in addition to the achievement status, wherein the scheduled-visit-day change determining section is configured to calculate the number of days remaining until the scheduled hospital visit day which exists from a date when the achievement status determining section determines the achievement status, compare the calculated number of days remaining until the scheduled hospital visit day with the minimum number of the days which are necessary for achieving the predetermined condition, determine that the scheduled hospital visit day is not required to be changed, if the number of days remaining until the scheduled hospital visit day exceeds the minimum number of the days which are necessary for achieving the predetermined condition, and determine that the scheduled hospital visit day is required to be changed, if the number of days remaining until the scheduled hospital visit day is equal to or smaller than the minimum number of the days which are necessary for achieving the predetermined condition. a diagnosis support device for supporting a diagnosis which is performed by using a plurality of sets of biological information that are measured from a subject, and that are stored in a storage medium, the diagnosis support device including: an achievement status determining section configured to determine an achievement status of a predetermined condition related to biological information that is measured from the subject, based on the plurality of sets of biological information stored in the storage medium; and a notification processing section configured to perform a process of notifying of the achievement status, a scheduled-visit-day change determining section configured to acquire information of a scheduled hospital visit day of the subject from a storage medium that stores the information of the scheduled hospital visit day, and to determine whether the scheduled hospital visit day is required to be changed or not, based on the information and the achievement status, wherein the notification processing section is configured to notify a result of the determination by the scheduled-visit-day change determining section, in addition to the achievement status, wherein the scheduled-visit-day change determining section is configured to calculate the number of days remaining until the scheduled hospital visit day which exists from a date when the achievement status determining section determines the achievement status, compare the calculated number of days remaining until the scheduled hospital visit day with the minimum number of the days which are necessary for achieving the predetermined condition, determine that the scheduled hospital visit day is not required to be changed, if the number of days remaining until the scheduled hospital visit day exceeds the minimum number of the days which are necessary for achieving the predetermined condition, and determine that the scheduled hospital visit day is required to be changed, if the number of days remaining until the scheduled hospital visit day is equal to or smaller than the minimum number of the days which are necessary for achieving the predetermined condition. calculate the number of days remaining until the scheduled hospital visit day which exists from a date when the achievement status determining section determines the achievement status, compare the calculated number of days remaining until the scheduled hospital visit day with the minimum number of the days which are necessary for achieving the predetermined condition, determine that the scheduled hospital visit day is not required to be changed, if the number of days remaining until the scheduled hospital visit day exceeds the minimum number of the days which are necessary for achieving the predetermined condition, and determine that the scheduled hospital visit day is required to be changed, if the number of days remaining until the scheduled hospital visit day is equal to or smaller than the minimum number of the days which are necessary for achieving the predetermined condition.