A method for manufacturing a plugged honeycomb structure (1, 40, 50), the method comprising: a step of mixing ceramic particles (46, 56) with a gas (43, 53) on one end face side (40a, 50a) of the plugged honeycomb structure (1, 40, 50), and a step of sucking the gas (43, 53) containing the ceramic particles (46, 56) from the other end face side (340a, 50a) of the plugged honeycomb structure (1, 40, 50) to send the ceramic particles (46, 56) mixed in the gas (43, 53) into cells of the plugged honeycomb structure (1, 40, 50) to allow the ceramic particles (46, 56) to adhere to surfaces in the cells of the plugged honeycomb structure (1, 40, 50); wherein, in the gas (43, 53) containing the ceramic particles (46, 56), mass of the ceramic particles (46, 56) per volume of the gas is 20 g/m 3 or more and 1600 g/m 3 or less; the flow rate of the gas (43, 53) containing the ceramic particles (46, 56) in the cells is 2 m/sec. or more and 100 m/sec. or less; the average particle diameter of the ceramic particles and the average pore size of the plugged honeycomb structure are such that the value of ceramic particle average particle diameter / plugged honeycomb structure average pore size is above 0.02 and below 1.5 and, wherein in the step of mixing, the gas (43, 53) is sent into an ejector (48, 58) at high speed to generate negative pressure, and thereby the ceramic particles (46, 56) are sucked to be mixed with the gas, and a fixed amount of the ceramic particles (46, 56) is supplied from a ceramic particle supplier (47, 52); wherein the ceramic particles adhering to the one end face of the plugged honeycomb structure are removed after the step of allowing the ceramic particles to adhere to the surfaces of the plugged honeycomb structure in the cells. a step of mixing ceramic particles (46, 56) with a gas (43, 53) on one end face side (40a, 50a) of the plugged honeycomb structure (1, 40, 50), and a step of sucking the gas (43, 53) containing the ceramic particles (46, 56) from the other end face side (340a, 50a) of the plugged honeycomb structure (1, 40, 50) to send the ceramic particles (46, 56) mixed in the gas (43, 53) into cells of the plugged honeycomb structure (1, 40, 50) to allow the ceramic particles (46, 56) to adhere to surfaces in the cells of the plugged honeycomb structure (1, 40, 50); wherein, in the gas (43, 53) containing the ceramic particles (46, 56), mass of the ceramic particles (46, 56) per volume of the gas is 20 g/m 3 or more and 1600 g/m 3 or less; the flow rate of the gas (43, 53) containing the ceramic particles (46, 56) in the cells is 2 m/sec. or more and 100 m/sec. or less; the average particle diameter of the ceramic particles and the average pore size of the plugged honeycomb structure are such that the value of ceramic particle average particle diameter / plugged honeycomb structure average pore size is above 0.02 and below 1.5 and, wherein in the step of mixing, the gas (43, 53) is sent into an ejector (48, 58) at high speed to generate negative pressure, and thereby the ceramic particles (46, 56) are sucked to be mixed with the gas, and a fixed amount of the ceramic particles (46, 56) is supplied from a ceramic particle supplier (47, 52); wherein the ceramic particles adhering to the one end face of the plugged honeycomb structure are removed after the step of allowing the ceramic particles to adhere to the surfaces of the plugged honeycomb structure in the cells.