The constant temperature ultrasonic cleaning instrument is a specialized instrument developed for temperature controlled and ultrasonic chemical reactions, chemical synthesis, biopharmaceutical synthesis, biomaterial degradation, recombination, traditional Chinese medicine extraction, and precision instrument component temperature controlled cleaning. This instrument is easy to use, with adjustable ultrasonic power, ultrasonic time, reaction temperature, full touch screen control, ultra intelligent protection, memory storage and other functions, which can meet the different experimental requirements of experimenters.