Recently, cryptoptera dermatitis has been very common in our city, with typical, easily diagnosed lesions that appear as pitting, streaks of redness, and clear blisters or pustules in the center of the lesions. ”Cryptomeria may cause some people to suffer from dermatitis, but definitely not as terrible as the rumors claim, not to mention deadly!” , the cryptophid is widely distributed, in China to the southern region is more common, every summer and autumn, is the city in the summer is one of the common diseases. “As long as it is treated reasonably and prevented, there is absolutely no need for people to worry excessively.” Cryptomeria, also known as “green waist bug”, 0.6 to 0.8cm long, similar to flying ants, the most common in the summer and autumn. It likes to fly around lights indoors, but outdoors it is often found in wet, weedy ponds and lakes. The cryptorchid does contain venom in its body, but it does not actively bite people. Patients often have cryptorchid dermatitis caused by the strong acidic body fluids remaining on the skin surface after the cryptorchid has been shot dead on the body or scratched around with their hands. ”Therefore, once you find it lying on the skin, do not use your hands to shoot, available mouth blow away or gently shake off.” If you inadvertently cause cryptoptera venom to remain on your skin, you can immediately wash it with alkaline soap to neutralize the toxin. If only a small area of erythema appears on the skin, apply Denide, Eudragit or Mometasone furoate cream to the affected area. If a larger area of erythema, blisters, fever and other uncomfortable symptoms appear, seek medical attention promptly and “do not scratch the affected area with your hands as this may cause secondary infection”. The public is reminded that cryptoptera are diurnal and phototropic, so be sure to close the screen at night when studying or working under the lights. In addition, cryptophid insects are mostly found in places with lots of grass and trees, and are more common during the rainy season, so it’s best to wear long clothes and pants when playing in the field. The presence of cryptoptera in the home requires spraying insecticides such as gunner and mirex.