Handheld cell disruptor is an ultrasonic processing instrument used in laboratories and multiple scenarios. It is compact in size, easy to carry, and convenient for temporary processing work. It can safely process various organic and inorganic materials. Typical applications include nanotechnology (production of nano particle materials and graphene dispersions), cell lysis, sample preparation, homogenization, ChIP analysis, emulsification, depoly \merization, and applications in the field of biochemical treatment.