Gargling device capable of collecting waste liquid

The gargling device comprises a main body, a diluting and collecting mechanism and an imbedding and replacing mechanism, the diluting and collecting mechanism is arranged on one side of the interior of the main body, the imbedding and replacing mechanism is arranged on one side of the top end of the main body, and the diluting and collecting mechanism comprises a waste liquid box, a top cover, an access hole, a sliding groove and an inner rotating disc. A top cover is arranged at the top end of the waste liquid box, an access hole is formed in the top face of the top cover, and sliding grooves are distributed in the two sides of the top cover. According to the gargling device capable of collecting the waste liquid, an inner rotating disc in the bottom end of the waste liquid box can rotate, so that liquid in the waste liquid box forms vortex, the dilution process is accelerated, follow-up recycling treatment is facilitated, a user can directly take out a waste liquid pipe and then take out the waste liquid bo