A washing machine with a leveling device, said washing machine comprising a shell, a pressure sensor, and a control device, and said leveling device comprising at least two hydraulic supports, each hydraulic support comprising: a fix section for installation on a bottom of the household appliance, and a movable adjustment section, sleeved with the fix section and moving axially relative to the fix section; wherein an accommodate chamber for containing a hydraulic medium is arranged between the fix section and the movable adjustment section; wherein at least two hydraulic supports are communicated with each other by a communication device, such that depending on the pressure changing, the hydraulic medium flows between the hydraulic supports, and drives the movable adjustment section to move axially for leveling under the pressure; wherein a sensor connecting port for connecting a pressure sensor is arranged at the hydraulic supports and/or on the communication device, and the hydraulic medium is allowed to flow through the sensor connecting port; and wherein the leveling device is installed at the bottom of the shell, the pressure sensor connects with the sensor connecting port of the leveling device by a pressure pipe, and the pressure sensor electrically connects with the control device, characterized in that the washing machine with the leveling device is configured to perform control as follows: if the washing machine is empty, the control device obtaining a pressure information P1 detected by the pressure sensor; if the washing machine is loaded with laundry, the control device obtaining a pressure information P2 detected by the pressure sensor; and the control device of the washing machine calculating a weight of the laundry put into the washing machine based on a pressure difference P2-P1. a fix section for installation on a bottom of the household appliance, and a movable adjustment section, sleeved with the fix section and moving axially relative to the fix section; wherein an accommodate chamber for containing a hydraulic medium is arranged between the fix section and the movable adjustment section; wherein at least two hydraulic supports are communicated with each other by a communication device, such that depending on the pressure changing, the hydraulic medium flows between the hydraulic supports, and drives the movable adjustment section to move axially for leveling under the pressure; wherein a sensor connecting port for connecting a pressure sensor is arranged at the hydraulic supports and/or on the communication device, and the hydraulic medium is allowed to flow through the sensor connecting port; and wherein the leveling device is installed at the bottom of the shell, the pressure sensor connects with the sensor connecting port of the leveling device by a pressure pipe, and the pressure sensor electrically connects with the control device, the washing machine with the leveling device is configured to perform control as follows: if the washing machine is empty, the control device obtaining a pressure information P1 detected by the pressure sensor; if the washing machine is loaded with laundry, the control device obtaining a pressure information P2 detected by the pressure sensor; and the control device of the washing machine calculating a weight of the laundry put into the washing machine based on a pressure difference P2-P1. if the washing machine is empty, the control device obtaining a pressure information P1 detected by the pressure sensor; if the washing machine is loaded with laundry, the control device obtaining a pressure information P2 detected by the pressure sensor; and the control device of the washing machine calculating a weight of the laundry put into the washing machine based on a pressure difference P2-P1.