A touch device ( 201, 301, 501, 701, 801), comprising: a base ( 202, 302, 502, 702, 802); a membrane pressure sensor ( 203, 303, 503, 703, 803) arranged on the base, configured to generate a pressure signal related to the force applied to the membrane pressure sensor; a touch sensing layer ( 205, 305, 505, 705, 805) with its lower surface covering the membrane pressure sensor; and a force feedback structure ( 204, 304, 504, 704, 804) arranged on the lower surface ( 206, 508) of the touch sensing layer and electrically connected to the membrane pressure sensor, configured to receive the pressure signal and generate a feedback force corresponding to the pressure signal; characterised in that: the membrane pressure sensor comprises an upper membrane ( 401, 901), a lower membrane ( 402, 902), a support structure ( 403, 903), and a pressure sensing element ( 405, 905); the upper membrane and the lower membrane are connected by the support structure to form a cavity ( 404, 904); and the pressure sensing element is arranged in the cavity and comprises: an upper electrode ( 406, 906) disposed on the lower surface of the upper membrane, a lower electrode ( 407, 907) disposed on the upper surface of the lower membrane, and a variable resistance elastic body ( 408, 908) disposed on the lower electrode. a base ( 202, 302, 502, 702, 802); a membrane pressure sensor ( 203, 303, 503, 703, 803) arranged on the base, configured to generate a pressure signal related to the force applied to the membrane pressure sensor; a touch sensing layer ( 205, 305, 505, 705, 805) with its lower surface covering the membrane pressure sensor; and a force feedback structure ( 204, 304, 504, 704, 804) arranged on the lower surface ( 206, 508) of the touch sensing layer and electrically connected to the membrane pressure sensor, configured to receive the pressure signal and generate a feedback force corresponding to the pressure signal; characterised in that: the membrane pressure sensor comprises an upper membrane ( 401, 901), a lower membrane ( 402, 902), a support structure ( 403, 903), and a pressure sensing element ( 405, 905); the upper membrane and the lower membrane are connected by the support structure to form a cavity ( 404, 904); and the pressure sensing element is arranged in the cavity and comprises: an upper electrode ( 406, 906) disposed on the lower surface of the upper membrane, a lower electrode ( 407, 907) disposed on the upper surface of the lower membrane, and a variable resistance elastic body ( 408, 908) disposed on the lower electrode. the membrane pressure sensor comprises an upper membrane ( 401, 901), a lower membrane ( 402, 902), a support structure ( 403, 903), and a pressure sensing element ( 405, 905); the upper membrane and the lower membrane are connected by the support structure to form a cavity ( 404, 904); and the pressure sensing element is arranged in the cavity and comprises: an upper electrode ( 406, 906) disposed on the lower surface of the upper membrane, a lower electrode ( 407, 907) disposed on the upper surface of the lower membrane, and a variable resistance elastic body ( 408, 908) disposed on the lower electrode. an upper electrode ( 406, 906) disposed on the lower surface of the upper membrane, a lower electrode ( 407, 907) disposed on the upper surface of the lower membrane, and a variable resistance elastic body ( 408, 908) disposed on the lower electrode.