Abstract: In order to avoid the tolerance to stimuli during the electrotherapy process and to obtain the "natural" electrical stimulation that makes people feel comfortable, a design scheme based on the "1/f fluctuation" theory was proposed to design a portable electrical stimulator that wirelessly communicates with a smart terminal device. The design was carried out from the aspects of electric pulse frequency, wave width, amplitude and waveform. And three groups of contrast experiments were designed. The experience felling and efficacy effect of the electrostimulator were evaluated by semantic analysis and analysis of variance. The experimental results show that, compared with the common groups, the test factors of the electrical stimulator designed by "1/f fluctuation" theory are F>F_0.01(1,22) in the experience felling and F_0.05(1,22) < F < F_0.01(1,22) in the efficacy.