Burner provided with flame hole member having air holes

A burner comprising:

• a flame hole member made of a foam body which is made from a plurality of metal alloys through a sintering process and in which an air hole being a space between struts configuring a framework is formed, and configured to form a flame by allowing a mixed gas of gas and air to be sprayed through the air hole;
• a flame hole member fixing plate configured to fixedly couple the flame hole member to a burner main body;
• and
• a distributing plate provided in front of the flame hole member and at which a plurality of distributing holes are formed so as to uniformly supply the mixed gas to the flame hole member,
• wherein the air hole is configured with multiple cells and multiple pores, each of the multiple cells being an inner space surrounded by the struts and each of the multiple pores being a space in which the cell is connected to a cell adjacent thereto, and an average size of the multiple cells being formed per unit volume of the flame hole member is equal to or less than 1200 μm.