The invention discloses a fabric pretreatment fluid containing vitamin, which contains 0.3 to 8% of beta-cyclodextrin inclusion complex containing vitamin, 0.3 to 7% of binding agent and the balance of water. The invention also discloses a health-care fabric containing vitamin prepared by using the fabric pretreatment fluid, wherein the fabric can slowly release vitamin after contacting with skins. The invention also discloses two methods for preparing the health-care fabric. The prepared fabric has excellent washing-resistant property, contains 22 to 40 mg of vitamin per 100g of cloth cover,has the retaining ratio above 83% after washing once and the retaining ratio above 65% after washing for thirty times, is high in perspiration resistance, contains 20 to 35 mg of vitamin per 100g of the cloth cover after the perspiration resistance treatment, and has the cloth cover retaining ratio above 87% after washing once and perspiration resistance treatment and the cloth cover retaining ratio above 66% after washing for thirty times and perspiration resistance treatment.