In this paper, we use the bifurcation method of dynamical systems to study the traveling wave solutions for the Davey-Stewartson equation. A number of traveling wave solutions are obtained. Those solutions contain explicit periodic wave solutions, periodic blow-up wave solutions, unbounded wave solutions, kink profile solitary wave solutions, and solitary wave solutions. Relations of the traveling wave solutions are given. Some previous results are extended.where u is the (complex valued) envelope of the wave packet associated with the fast oscillations, and v is the induced mean flow, x and y are the slow, horizontal scales parallel and perpendicular to the fast oscillations, respectively, whereas t is the slow time in the group velocity frame. As usual, irrotational flow of an inviscid fluid is studied, and u is connected with the velocity potential. Of particular significance is the parameter a, and a D 1 and a D 1 is called the DS I and DS II equations, respectively. The constant b measures the cubic nonlinearity. The DS equation is the two-dimensional generalization of the nonlinear Schrödinger (NLS) equation.The solutions to the DS equation have been studied previously in various aspects. The N-soliton solution of the DS equation was studied by Anker and Freeman [3] in the inverse scattering transform method and later by Satsuma and Ablowitz [4] in the Hirota method. Satsuma and Ablowitz also revealed that the solutions describing multiple collisions of rational solitons are constructed from the N-soliton solutions for the equation. The interaction of two dark line solitons, which are skewed with respect to each other, has been studied by Anker and Freeman [5]. They found the existence of soliton resonance. The dromion solutions to the DS equation, which decay exponentially in all directions, were obtained in various aspects [6][7][8][9]. The DS equation is known to have solutions called solitoffs, and solitoff-solitoff and solitoff-dromion resonant behaviors have been studied [10]. Watanabe and Tajiri [11] and Tajiri et al. [12] investigated the interactions between y-periodic soliton and line soliton and between y-periodic soliton and algebraic soliton. Recently, doubly periodic wave patterns were studied by Chow and Lou [13] and Li et al. [14]. Tajiri and Arai [15] studied the existence of long-range interaction between two quasi-line solitons through a periodic soliton.The aim of this paper is to study the traveling wave solutions and their relations for Equation (1.1) by using the bifurcation method and qualitative theory of dynamical systems [16][17][18][19][20]. Through some special phase orbits, we obtain many smooth periodic wave solutions and periodic blow-up solutions. Their limits contain kink profile solitary wave solutions, unbounded wave solutions, periodic blow-up solutions, and solitary wave solutions.