Provided are a tight-fitting garment (100) used for monitoring health, and a method for monitoring health. the tight-fitting garment (100) comprises a garment body (05), and a belt (01), breast pocket (03), cuff (02), and edge (04) arranged on the garment body (05). The belt (01) comprises a belt body (1), a belt head (2), and a belt buckle (3). In the health monitoring method, the voltage signal of the electrode (101) in the groove (10) the belt buckle (3) catches is measured by the voltage sensor (30) in the belt buckle (3), and the waist circumference data of the wearer is automatically measured; by means of a breathing sensor (22) in the belt head (2), breathing frequency is detected from the abdomen of the wearer; by means of a heartbeat sensor (103) in the breast pocket (03), heart rate data is measured from the chest of the wearer; by means of a blood pressure sensor (102) in the cuff (02), blood pressure data is measured from the arm of the wearer; the described measured physical-indication data are s
