This series of water-bath bidirectional stirring gelatin melting tanks belongs to the technical field of soft (hard) capsule pharmaceutical industry. It serves as essential supporting equipment for dissolving gelatin and supplying gelatin solution to soft (hard) capsule total machines (pill pressing machines), and is a main supporting device in production processes such as gelatin melting, batching, vacuuming, and condensation for capsules. The water-bath bidirectional stirring gelatin melting tank is abbreviated as the gelatin melting tank.