An innocent treatment method for traditional Chinese medicinal dregs relates to a treatment method for medicinal dregs. The present invention solves the problems caused by the existing treatment method for traditional Chinese medicinal dregs, such as secondary pollution, low safety and high energy consumption. The treatment method comprises the following steps: adding wave absorbing substances; isolating oxygen and irradiating with microwaves; condensing and absorbing products of microwave irradiation pyrolysis; recycling and utilizing solid residues, non-condensable combustible gas and dichloromethane. The use of the method for processing traditional Chinese medicinal dregs has the advantages of high safety, no secondary pollution, no land occupation, low energy consumption, waste utilization, etc.