A brake for a drum washing machine, comprising: a brake disk provided on a second shaft of the drum washing machine, wherein the second shaft is connected to a planetary gear assembly; a brake seat provided with a slideway; a brake pawl provided to the brake seat and switchable between a tightening state of holding the brake disk and a releasing state of releasing the brake disk; a brake lever slidably fitted with the slideway between an extending position and a retracting position and linked with the brake pawl, wherein the brake pawl is switched to the tightening state when the brake lever is located at the extending position, and the brake pawl is switched to the releasing state when the brake lever is located at the retracting position; a brake driver mounted to the brake seat, in transmission connection with the brake lever, and driving the brake lever to move between the extending position and the retracting position; characterised in that the brake pawl comprises: a first pawl portion having one end pivotally mounted to the brake seat; a second pawl portion having one end pivotally mounted to the brake seat, the brake disk being located between the first pawl portion and the second pawl portion, wherein, when the brake pawl is in the tightening state, the other end of the first pawl portion and the other end of the second pawl portion are adjacent to each other, and when the brake pawl is in the releasing state, the other end of the first pawl portion and the other end of the second pawl portion are away from each other. a brake disk provided on a second shaft of the drum washing machine, wherein the second shaft is connected to a planetary gear assembly; a brake seat provided with a slideway; a brake pawl provided to the brake seat and switchable between a tightening state of holding the brake disk and a releasing state of releasing the brake disk; a brake lever slidably fitted with the slideway between an extending position and a retracting position and linked with the brake pawl, wherein the brake pawl is switched to the tightening state when the brake lever is located at the extending position, and the brake pawl is switched to the releasing state when the brake lever is located at the retracting position; a brake driver mounted to the brake seat, in transmission connection with the brake lever, and driving the brake lever to move between the extending position and the retracting position; characterised in that the brake pawl comprises: a first pawl portion having one end pivotally mounted to the brake seat; a second pawl portion having one end pivotally mounted to the brake seat, the brake disk being located between the first pawl portion and the second pawl portion, wherein, when the brake pawl is in the tightening state, the other end of the first pawl portion and the other end of the second pawl portion are adjacent to each other, and when the brake pawl is in the releasing state, the other end of the first pawl portion and the other end of the second pawl portion are away from each other. a first pawl portion having one end pivotally mounted to the brake seat; a second pawl portion having one end pivotally mounted to the brake seat, the brake disk being located between the first pawl portion and the second pawl portion, wherein, when the brake pawl is in the tightening state, the other end of the first pawl portion and the other end of the second pawl portion are adjacent to each other, and when the brake pawl is in the releasing state, the other end of the first pawl portion and the other end of the second pawl portion are away from each other.