A non-linear kinetic analysis method for a borborygmus signal comprises steps that, first, a borborygmus measuring signal s(n) is acquired and n=1,2......N; second, a signal to noise ratio of the acquired borborygmus measuring signal is improved; third, phase-space reconstruction is conducted to the borborygmus measuring signal by a phase-space reconstruction method, the phase-space has N-(m-1) dvectors (Vn=s(n),s(n+1), ......s(n+(m-1);)n=1,2, ......N-(m-1)d), s(n) is a time sequence of the borborygmus measuring signal, n is an embedded dimension and d is time delay; fourth, a recursion matrix of the phase-space is calculated (Rij-vjll)), sigma is a recursion radius and a constant, ll ll represents an Euclidean norm of the vector, sine(x) isa function of Heaviside, i=1,2......N-(m-1)d and j=1,2......N-(m-1)d; a recursion map is calculated and drawn according to the recursion matrix; and the recursion map can be applied for quanlitatively identity whether a borborygmus signal exists in the borborygmus measuring signal.