A gas meter system comprising: a gas meter , the gas meter including: any of a flow rate measurement unit that measures a flow rate of gas, a seismic intensity measurement unit that measures vibration, and a pressure measurement unit that measures a pressure of the gas; an abnormality determination unit that determines that there is an abnormality, based on a measurement value measured by the any of the flow rate measurement unit , the seismic intensity measurement unit, and the pressure measurement unit and that outputs abnormality type data indicating a type of the abnormality; a gas shut-off unit that shuts off supply of the gas; and a meter communication unit that communicates with outside; and a center device , the center device including: a center communication unit that communicates with the meter communication unit , characterized in that the center device includes an analyzer that analyzes a cause of the determination of abnormality in the gas meter , wherein the center device requests analysis-use data necessary to analyze the cause from the gas meter , through a communication by the center communication unit , based on the abnormality type data received from the gas meter , the gas meter transmits the analysis-use data requested from the center device to the center device by the meter communication unit , and the analyzer determines the cause of the determination of abnormality, based on the analysis-use data received by the center communication unit . a gas meter , the gas meter including: any of a flow rate measurement unit that measures a flow rate of gas, a seismic intensity measurement unit that measures vibration, and a pressure measurement unit that measures a pressure of the gas; an abnormality determination unit that determines that there is an abnormality, based on a measurement value measured by the any of the flow rate measurement unit , the seismic intensity measurement unit, and the pressure measurement unit and that outputs abnormality type data indicating a type of the abnormality; a gas shut-off unit that shuts off supply of the gas; and a meter communication unit that communicates with outside; and any of a flow rate measurement unit that measures a flow rate of gas, a seismic intensity measurement unit that measures vibration, and a pressure measurement unit that measures a pressure of the gas; an abnormality determination unit that determines that there is an abnormality, based on a measurement value measured by the any of the flow rate measurement unit , the seismic intensity measurement unit, and the pressure measurement unit and that outputs abnormality type data indicating a type of the abnormality; a gas shut-off unit that shuts off supply of the gas; and a meter communication unit that communicates with outside; and a center device , the center device including: a center communication unit that communicates with the meter communication unit , characterized in that the center device includes an analyzer that analyzes a cause of the determination of abnormality in the gas meter , wherein the center device requests analysis-use data necessary to analyze the cause from the gas meter , through a communication by the center communication unit , based on the abnormality type data received from the gas meter , the gas meter transmits the analysis-use data requested from the center device to the center device by the meter communication unit , and the analyzer determines the cause of the determination of abnormality, based on the analysis-use data received by the center communication unit . <EOS>