With regards to the vapor chamber 100 as mentioned above, the present disclosure provides a manufacturing method 500 of the vapor chamber 100. For example, reference is made to FIG. 7. FIG. 7 is a flow diagram of a manufacturing method 500 of a vapor chamber 100 according to an embodiment of the present disclosure. In this embodiment, as shown in FIG. 7, a manufacturing method 500 includes the following operations (it is appreciated that the sequence of the operations and the sub-operations as mentioned below, unless otherwise specified, can all be adjusted upon the actual needs, or even executed at the same time or partially at the same time):