A three-dimensional printing method for forming a 3D object layer by layer, applicable to a 3D printing apparatus comprising an input device, comprising: sequentially printing a plurality of layers of the 3D object; obtaining an adjustment signal through the input device when printing a layer of the plurality of layers, wherein the adjustment signal is used for adjusting a printing parameter; and adjusting the printing parameter for printing another layer of the plurality of layers in response to the obtained adjustment signal, wherein obtaining the adjustment signal through the input device comprises: receiving a voice signal; and transferring the voice signal to the adjustment signal; characterized in that the adjustment signal is obtained through the input device when printing the layer of the plurality of layers, wherein the obtained adjustment signal is used for adjusting a printing temperature, and the printing temperature is confined within a preset range; wherein obtaining the adjustment signal through the input device when printing the layer of the plurality of layers comprises: obtaining the adjustment signal through the input device when printing the n th layer of the plurality of layers, and wherein adjusting the printing temperature for printing the another layer of the plurality of layers in response to the obtained adjustment signal comprises: adjusting the printing temperature for printing the (n+1) th layer of the plurality of layers according to the adjustment signal, wherein n is a natural number. sequentially printing a plurality of layers of the 3D object; obtaining an adjustment signal through the input device when printing a layer of the plurality of layers, wherein the adjustment signal is used for adjusting a printing parameter; and adjusting the printing parameter for printing another layer of the plurality of layers in response to the obtained adjustment signal, wherein obtaining the adjustment signal through the input device comprises: receiving a voice signal; and transferring the voice signal to the adjustment signal; receiving a voice signal; and transferring the voice signal to the adjustment signal; characterized in that the adjustment signal is obtained through the input device when printing the layer of the plurality of layers, wherein the obtained adjustment signal is used for adjusting a printing temperature, and the printing temperature is confined within a preset range; wherein obtaining the adjustment signal through the input device when printing the layer of the plurality of layers comprises: obtaining the adjustment signal through the input device when printing the n th layer of the plurality of layers, and wherein adjusting the printing temperature for printing the another layer of the plurality of layers in response to the obtained adjustment signal comprises: adjusting the printing temperature for printing the (n+1) th layer of the plurality of layers according to the adjustment signal, wherein n is a natural number. obtaining the adjustment signal through the input device when printing the n th layer of the plurality of layers, and wherein adjusting the printing temperature for printing the another layer of the plurality of layers in response to the obtained adjustment signal comprises: adjusting the printing temperature for printing the (n+1) th layer of the plurality of layers according to the adjustment signal, wherein n is a natural number.