Complex biological systems demonstrate uninterrupted chaotic changer of every components xi of all system state x(t). There fundamental specificy is uninterrupted absent of it’s stationary regime forevery xi meany dx/dt≠0 and function distribution f(x) forevery number of xi for every patients and for all group of patients. For every statie state (like tremor) we can present the region of phase space like VG (quasiattractor) where (in VG) the vector x(t) present the chaotic movements. In fact, every homeostaz is equal to postural tremor or tepping hen it’s parameters creluds into quasiattractor volime. Now we demonstrate the stationary state (as regime) according to tremor or tepping. Their parameters xi indudes into some quasiattractor and we can present the evolution of tremor of patients when we can change their psichophysiological parameter under some external some external sound influence. Sound cam change the physiological parameters of human organism and as a result – the tremor parameters and it’s quasiatractor.