Finger joints long white particles, may be related to sweat herpes, contact dermatitis and gout and other diseases. 1. Sweat herpes is also pointed out that the sweat is not good eczema, belongs to the eczema in a more special type, often seen in some of the sweaty hands and feet of the crowd as well as allergic to the body of the crowd, generally accompanied by itchy blisters are more common. 2. Contact dermatitis is also because of skin contact with some kind of goods and produce a perverse reaction, in addition to the manifestation of white small granular papules, and will be accompanied by different degrees of itching. 3. Gout patients due to prolonged illness, the body’s uric acid concentration is too high, in the joints of the precipitation of crystals and precipitation in the joints, resulting in the local appearance of gout stone, the appearance of different sizes, elevated yellow-white granular material, but the acute phase will be accompanied by redness, swelling and hot pain phenomenon. Due to the complexity of the cause of the disease, the specific situation requires a doctor’s consultation, and improve the relevant examination.