The invention provides a manufacturing method of a burnt-out fabric. The method comprises the steps of (1) pretreating a grey fabric; (2) adopting burnt-out pulp including sulfuric acid, synthetic dragon gum and sodium alginate for performing burnt-out treatment on the pretreated grey fabric; (3) carrying out post-treatment on the grey fabric subjected to burnt-out treatment to obtain the burnt-out fabric. The manufacturing method is simple in process, low in cost and easy to implement, and the burnt-out fabric obtained by means of the manufacturing method has beautiful flower patterns, a clear outline, a three-dimensional feeling and high quality.