A method (1, 2, 3, 4) for determining a foldable screen included angle (Angle), applied to an electronic device with a foldable screen, wherein the foldable screen comprises two display screens (La, Lb), each display screen (La, Lb) comprising an acceleration sensor (180E, ACC1, ACC2) and a gyroscope sensor (180B, GYRO1, GYRO2); and the method (1, 2, 3, 4) for determining the foldable screen included angle (Angle) comprises: for each display screen (La, Lb), acquiring, by the acceleration sensor (180E, ACC1, ACC2), an initial acceleration signal (acc1_X, acc1_Y, acc1_Z, acc2_X, acc2_Y, acc2_Z) at time t, and acquiring, by the gyroscope sensor (108B, GYRO1, GYRD2), an initial angular velocity signal at time t; for each display screen (La, Lb), performing (S20, S101) first preprocessing on the initial acceleration signal (acc1_X, acc1_Y, acc1_Z, acc2_X, acc2_Y, acc2_Z) at time t to determine a target value (ga, gb) of a gravitational acceleration signal at time t, and performing second preprocessing on the initial angular velocity signal at time t to determine an intermediate angular velocity signal at time t; determining a state of the foldable screen at time t according to the target values (ga, gb) of the gravitational acceleration signals corresponding to the two display screens (La, Lb) at time t and the intermediate angular velocity signals at time t, the state of the foldable screen comprising at least one of the foldable screen being perpendicular to a horizontal plane, the two display screens (La, Lb) of the foldable screen being folded, bent and unfolded, an included angle (Angle) of the foldable screen at time t changing relative to an included angle (LastAngle) at time t-1, and the included angle (Angle) of the foldable screen at time t not changing relative to the included angle (LastAngle) at time t-1; and determining an included angle (Angle) corresponding to the foldable screen at time t according to the state of the foldable screen at time t, wherein for each display screen (La, Lb), the performing (S20, S101) second preprocessing on the initial angular velocity signal at time t to determine an intermediate angular velocity signal at time t comprises: for each display screen (La, Lb), performing lowpass filtering on the initial angular velocity signal at time t to determine the intermediate angular velocity signal at time t. for each display screen (La, Lb), acquiring, by the acceleration sensor (180E, ACC1, ACC2), an initial acceleration signal (acc1_X, acc1_Y, acc1_Z, acc2_X, acc2_Y, acc2_Z) at time t, and acquiring, by the gyroscope sensor (108B, GYRO1, GYRD2), an initial angular velocity signal at time t; for each display screen (La, Lb), performing (S20, S101) first preprocessing on the initial acceleration signal (acc1_X, acc1_Y, acc1_Z, acc2_X, acc2_Y, acc2_Z) at time t to determine a target value (ga, gb) of a gravitational acceleration signal at time t, and performing second preprocessing on the initial angular velocity signal at time t to determine an intermediate angular velocity signal at time t; determining a state of the foldable screen at time t according to the target values (ga, gb) of the gravitational acceleration signals corresponding to the two display screens (La, Lb) at time t and the intermediate angular velocity signals at time t, the state of the foldable screen comprising at least one of the foldable screen being perpendicular to a horizontal plane, the two display screens (La, Lb) of the foldable screen being folded, bent and unfolded, an included angle (Angle) of the foldable screen at time t changing relative to an included angle (LastAngle) at time t-1, and the included angle (Angle) of the foldable screen at time t not changing relative to the included angle (LastAngle) at time t-1; and determining an included angle (Angle) corresponding to the foldable screen at time t according to the state of the foldable screen at time t, wherein for each display screen (La, Lb), the performing (S20, S101) second preprocessing on the initial angular velocity signal at time t to determine an intermediate angular velocity signal at time t comprises: for each display screen (La, Lb), performing lowpass filtering on the initial angular velocity signal at time t to determine the intermediate angular velocity signal at time t.