The utility model relates to a health management belt, which comprises a wearing body with a waist circumference for a user to wear on the waist and a waist circumference sensing module arranged on the wearing body.The wearer body has a stretch stroke corresponding to the change of waistline. The waistline sensing module has a sensing unit which senses the change of wearer body and normally outputs a waistline signal during the stretch stroke, and a processing unit which connects the sensing unit to normally receive the waistline signal, wherein the processing unit has a processing unit which can judge the change of waistline signal. The waistline change judgment condition that sends a warning message to the user.In this way, the warning signal can remind users to pay attention to diet and avoid the burden of overeating.一種健康管理腰帶,包含有一供一使用者穿戴於腰間而具有一腰圍的穿戴本體以及一設置於該穿戴本體上的腰圍感知模組。該穿戴本體具有一受該腰圍變化而產生相應拉伸的伸縮行程,該腰圍感知模組具有一於該伸縮行程中感應該穿戴本體變化而常態輸出一腰圍訊號的感知單元,以及一連接該感知單元常態接受該腰圍訊號的處理單元,其中,該處理單元具有一判斷該腰圍訊號變化量而向使用者發出一警示訊息的腰圍變化判斷條件。藉此,以透過該警示訊號提示使用者注意飲食,避免暴飲暴食所帶來的負擔。