Underwear fabric with moisturizing, skin protecting, fat decomposing and weight losing functions and preparation method

The invention discloses an underwear fabric with moisturizing, skin care, fat decomposition and weight losing functions, the underwear fabric comprises a far infrared fabric body, a plurality of microcapsules are attached to the far infrared fabric body, each microcapsule comprises an L-carnitine core material and a shell, and the shell wraps the L-carnitine core material; the invention further discloses a preparation method of the underwear fabric with the functions of moisturizing, protecting skin, decomposing fat and losing weight. According to the technical scheme, the microcapsules containing the L-carnitine are attached to the far infrared fabric body, the L-carnitine is released under specific conditions, fat can be effectively promoted to be converted into energy, moisture and muscles are not reduced while fat is decomposed to reduce weight, and the far infrared fabric has high moisture absorption capacity and has a moisturizing effect on skin; the released far infrared rays can effectively activate w