The invention relates to a healthcare product, in particular to a tea bag for preventing and treating hypertension, hyperlipidemia and hyperglycemia and a processing method. The tea bag comprises the following components in parts by weight: 20-40 parts of oolong tea, 8-15 parts of mulberry leaves, 8-15 parts of roots of kudzu vine, 8-15 parts of lotus leaves, 8-15 parts of lalang grass rhizome, 5-12 parts of reed rhizome, 5-12 parts of hawthorn, 5-12 parts of white chrysanthemum, 3-10 parts of fried cassia seeds, 3-6 parts of purple perilla, 3-5 parts of watermelon peel, 3-5 parts of orange peel and 1-5 parts of corn stigma. The tea bag has the effects of reducing blood fat, blood sugar and cholesterol and treating stagnation of liver qi, liver-stomach disharmony and the like, and has treatment effects on diseases such as heart and blood vessels, arteriosclerosis, hypertension, hyperlipidemia and hyperglycemia; the raw materials have natural antioxidant functions and comprise various precious trace elements, various vitamins and bioflavonoid substances, so that human body cells can be activated, metabolism of human bodies can be promoted, human body function balance can be regulated, human body health can be maintained, and many magic effects of nourishing stomachs and protecting livers, reducing fat and reducing blood pressure, preventing and treating cancer, and the like can be achieved.