Symptoms of scabies infection are reddish or skin-colored papules, pimples and tunnels visible all over the body except the face, which may have an inflammatory reddish halo, and pimples are most often found on the finger joints, wrists, and other places. Scabies mites tend to invade the finger cracks, wrists, elbows, armpits, areolas, umbilicus, external genitalia and other tender skin areas and forearms, lower abdomen and buttocks, etc. Adults rarely involve the scalp and face, but in immunocompromised people and infants can involve all the skin. The skin lesions are mostly symmetrical, manifested as papules, papules and tunnels, papules about the size of a small grain of rice, light red or normal skin color, there may be an inflammatory red halo; papules are about the size of a small grain of rice, most often found in the crevices of the fingers, wrists, etc.; tunnels are grayish-white or light-black shallow lines, curved slightly elevated, the end may have papules and small blisters. In the scrotum, penis, glans, etc. occurred in the diameter of 3 ~ 5mm dark red nodules, called scabies nodules, for scabies mites die caused by foreign body reaction. The lesions are generalized and may have large blisters in highly sensitive individuals. Those with a long course of the disease may have eczema-like, mossy changes, secondary bacterial infection and impetigo, folliculitis, boils, lymphadenitis and nephritis. It is extremely itchy, especially at night. If you suspect that you are infected with scabies, it is recommended that you go to a regular hospital in a timely manner to be diagnosed and treated by a professional doctor.