The invention discloses a hip joint stabilizing belt. The hip joint stabilizing joint comprises a hip belt and a leg belt which can be bound to one side of the thigh, and the two ends of each of the hip belt and the leg part can both be connected in a repeatedly opening and closing mode; a hard fixing plate which is detachable and simulates skeleton shin clusters is vertically and downwards arranged at the outer side of the thigh from the upper end of the hip belt, and extends downwards to the lower portion of the leg belt; an inclined front-wide elastic belt for simulating iliopsoas, iliacus and pectineal muscles and a front-narrow elastic belt for simulating sartorius are arranged at the front of the anter of the hip belt, the upper end of the front-wide elastic belt is aslant fixed to the anter and is located at the lower portion of the musculus obliquus externus abdominis, and the upper end of the front-narrow elastic belt is aslant fixed to the portion, close to the upper end of the hard fixed plate, of the anter; a rear-wide elastic belt for simulating gluteus maximus and a rear-narrow elastic belt for fixing the rear-wide elastic belt are aslant arranged at the front of the rear part of the hip belt. The hip joint stabilizing belt is simple in structure and convenient to use, can be used as replacement treatment of splints and plaster fixation, and is applicable to all patients who cannot control the body movement range.