Portable sound card loudspeaker box

The utility model discloses a portable sound card sound box, which comprises a sound box main body and a sound box auxiliary body, and the sound box main body and the sound box auxiliary body are spliced together to form an integrated structure. Sound holes are formed in the left side and the right side of the sound box main body, loudspeakers are installed in the sound holes, a containing groove is formed in the middle of the sound box main body, a containing cover plate is arranged at a groove opening of the containing groove, and a power source and a main control board are arranged in the containing groove; the sound box auxiliary body is internally provided with a hollow structure, an auxiliary control board and a sound card are arranged in the sound box auxiliary body, the auxiliary control board is electrically connected with the sound card, the sound box auxiliary body is provided with a plurality of key through holes matched with the control keys, and the control keys are contacted with the auxiliary