The invention provides a laundry detergent casting device and a washing machine having the same. The laundry detergent casting device comprises a liquid storage box having a first liquid storage cavity and a second liquid storage cavity separated from the first liquid storage cavity, a diluting box assembly having a diluting box connected with a washing barrel of the washing machine, a first liquid pump connected with the first liquid storage cavity and the diluting box to pump laundry detergent in the first liquid storage box to the diluting box, a second liquid pump connected with the second liquid storage box and the diluting box to pump laundry detergent in the second liquid storage box to the diluting box, and a water charging valve connected with the diluting box. According to the laundry detergent casting device disclosed in the embodiment, laundry detergent can be automatically castor manually cast.