Patent ID: 8117176

Claim:
A food nutrition management method, which is applied in a food nutrition management system including a portable electronic device, a transmitting unit, a database, an operation unit, a code generator, an analyzer and a register and management unit, the method comprising the steps of: (A) receiving a personal data through the transmitting unit from the portable electronic device to the register and management unit, and storing and registering the personal data to the database; (B) externally inputting a special code through the portable electronic device, and sending the special code through the transmitting unit to the register and management unit for being recorded; (C) using the register and management unit to extract the special code and corresponding food nutrition component table from the database and to send the corresponding food nutrition component table through the transmitting unit to the portable electronic device for display; (D) using the register and management unit to store the corresponding food nutrition component table in the database when a store instruction is input through the portable electronic device; (E) using the analyzer to extract the corresponding food nutrition component table from the database, compare the corresponding food nutrition component table with a suggestion of daily ingestion amounts per person for a variety of nutrition, and send a comparison result to the portable electronic device when an inquiry instruction is input through the portable electronic device; and (F) using the portable electronic device to display current and past ingestion amounts for the variety of nutrition, send a notice of which nutrition is insufficient or surplus, and provide possible diseases and symptoms corresponding to the nutrition insufficient or surplus.