The invention provides a formula and preparation method for a health-maintaining line incense. The health-maintaining line incense is prepared from the following materials: 57-62% of Vietnam's Nha Trang' s agilawood powder, 1.5-2.3% of aidia canthioides wood powder, 4.5-5.7% of a sachet, 18-21% of debregeasia orientalis bark powder, 5-7% of lysimachia foenum-graecum hance, 4-6% of pine wood power and 2-4% of cassia bark. The preparation method comprises the following steps: (1) respectively baking Vietnam's Nha Trang's agilawood, aidia canthioides wood, sachet, debregeasia orientalis bark, lysimachia foenum-graecum hance, pine wood and cassia bark; putting into a grinder for grinding to obtain powders; (2) mixing the powers according to the proportions, and uniformly stirring to obtain line incense; (3) conducting compression molding on the line incense to form the health-maintaining line incense. The fragrance of the health-maintaining line incense prepared from the specified materials according to the proportions is pure, mild, moderate, fresh and refreshing, can clear heat, dispel wind, cool blood, dredge meridian vessel, rest heart and nourish mind, has adjuvant therapeutic effects on fast heartbeat, short of breath, restlessness and neurasthenia, can improve sleep quality, and has the effects of soothing nerves, resolving depression, making skin white, tender, fine and smooth, and reducing wrinkles after being smelled for a long time.