The invention belongs to the technical field of health care and nursing of chests and particularly relates to a chest relaxing formula, a preparation method and a use method. The formula comprises oenothera biennis oil, taraxacum mongolicum oil, angelica oil, ginseng oil, peppermint oil, camellia oil, peach-kernel oil and rhizoma chuanxiong oil. The formula can be used for tightening skin, enabling the skin to be elastic, removing superfluous fat and effectively relieving physical fatigue. The formula has the overall effects of activating chest blood vessels, tightening the skin, enabling the skin to be elastic, effectively relieving chest fatigue and muscle rigidity, improving the immunity of human bodies, effectively preventing chest diseases, improving vitality of the human bodies, improving sleeping quality and relieving menstrual discomfort, is non-toxic and harmless to the human bodies, is free of side effect and has the actions of reducing weight, building bodies, enlarging breasts, improving the skin and preventing body diseases.