A water inlet control method for a washing device, comprising: controlling the washing device to inflow water; obtaining a first water-level variation value of the washing device at intervals of a first preset time; controlling, based on the first water-level variation value, a water inlet process of the washing device, wherein said controlling, based on the first water-level variation value, the water inlet process of the washing device comprises: controlling, in response to determining based on the first water-level variation value that a water-level rise amount is greater than a first preset value, the washing device to maintain normal water intake; performing a siphon processing in response to determining based on the first water-level variation value that a water-level fall amount is greater than a second preset value, and wherein said controlling, based on the first water-level variation value, the water inlet process of the washing device further comprises: in response to accumulating N1 determinations, based on the first water-level variation value, that the water-level fall amount is smaller than or equal to the second preset value, or in response to accumulating N1 determinations, based on the first water-level variation value, that the water-level rise amount is smaller than or equal to the first preset value, controlling the washing device to stop the water intake for a second preset time, and obtaining a second water-level variation value, wherein N1 is a natural number greater than or equal to 1; and performing the siphon processing in response to determining based on the second water-level variation value that the water-level fall amount is greater than or equal to a third preset value. controlling the washing device to inflow water; obtaining a first water-level variation value of the washing device at intervals of a first preset time; controlling, based on the first water-level variation value, a water inlet process of the washing device, wherein said controlling, based on the first water-level variation value, the water inlet process of the washing device comprises: controlling, in response to determining based on the first water-level variation value that a water-level rise amount is greater than a first preset value, the washing device to maintain normal water intake; performing a siphon processing in response to determining based on the first water-level variation value that a water-level fall amount is greater than a second preset value, and wherein said controlling, based on the first water-level variation value, the water inlet process of the washing device further comprises: in response to accumulating N1 determinations, based on the first water-level variation value, that the water-level fall amount is smaller than or equal to the second preset value, or in response to accumulating N1 determinations, based on the first water-level variation value, that the water-level rise amount is smaller than or equal to the first preset value, controlling the washing device to stop the water intake for a second preset time, and obtaining a second water-level variation value, wherein N1 is a natural number greater than or equal to 1; and performing the siphon processing in response to determining based on the second water-level variation value that the water-level fall amount is greater than or equal to a third preset value. controlling, in response to determining based on the first water-level variation value that a water-level rise amount is greater than a first preset value, the washing device to maintain normal water intake; performing a siphon processing in response to determining based on the first water-level variation value that a water-level fall amount is greater than a second preset value, and wherein said controlling, based on the first water-level variation value, the water inlet process of the washing device further comprises: in response to accumulating N1 determinations, based on the first water-level variation value, that the water-level fall amount is smaller than or equal to the second preset value, or in response to accumulating N1 determinations, based on the first water-level variation value, that the water-level rise amount is smaller than or equal to the first preset value, controlling the washing device to stop the water intake for a second preset time, and obtaining a second water-level variation value, wherein N1 is a natural number greater than or equal to 1; and performing the siphon processing in response to determining based on the second water-level variation value that the water-level fall amount is greater than or equal to a third preset value. in response to accumulating N1 determinations, based on the first water-level variation value, that the water-level fall amount is smaller than or equal to the second preset value, or in response to accumulating N1 determinations, based on the first water-level variation value, that the water-level rise amount is smaller than or equal to the first preset value, controlling the washing device to stop the water intake for a second preset time, and obtaining a second water-level variation value, wherein N1 is a natural number greater than or equal to 1; and performing the siphon processing in response to determining based on the second water-level variation value that the water-level fall amount is greater than or equal to a third preset value.