Bumps of scabies mainly appear as papules, blisters, and semicircular inflammatory nodules that are initially close to the normal color of the skin and gradually change to light red or reddish brown. The scabies mite infects the body and parasitizes the stratum corneum of superficial skin, such as finger joints and armpits. Skin lesions include papules and blisters. Of these, the papules are light red in color and vary in size, number, and density. The blisters are mostly white and range from the size of a small meter to the size of a green bean. The tunnels are formed by the scabies mite excavating our surrounding skin tissue and are filled with scabies mite eggs, larvae, larvae, adult mites, and secretions in the form of curved, fine lines of light brown or light black color. Male patients will form scabies nodules in the scrotum, penis and other parts of the manifestation of light red or reddish brown semicircular inflammatory nodules, from green beans to soybean size, hard texture. When patients find the above symptoms, they need to go to the hospital in time, and under the guidance of the doctor for treatment.