“Fish swarming”, can be considered as Haemophilus ducreyi infection, but the sensitivity of smear is about 50%. ②Bacterial culture: take the specimen and culture it on selective bacterial medium, typical colonies can appear, take typical colonies for bacterial smear, then isolate and identify, it can be clearly for Haemophilus ducreyi. The upper layer is the bottom of the ulcer, narrower, with neutrophilic leukocytes, fibrin, necrotic tissue and gram-negative bacilli; the middle layer is wider, containing more neovascularization, vascular endothelial cell proliferation, vascular lumen occlusion and thrombosis; the lower layer is in the deep dermis. It is a dense infiltration of plasma cells and lymphocytes. (ii) Clinical staging 1, latency The incubation period of the disease is generally 3-8 days, and in long cases up to 10-20 days. 2.Exacerbation period See above. (1) Dampness and heat: This is seen at the beginning of chancre, with rapid onset, redness, swelling, burning pain, or mild erosion, or difficult urination, red tongue, yellowish greasy coating, and slippery pulse. (2) Poisonous heat: the affected area is ulcerated, the pus has a stinky odor, localized red and purple or burning pain, walking is difficult, urine is dripping and hot, stool is constipated, or the abdomen and crotch are red and swollen, hard and burning, and pus is flowing when broken. Red tongue, yellow coating and slippery pulse. (3) Yin deficiency and fire incandescence: This type is common in late stage patients, with flattened sores, purple color, thin pus, dry mouth and lips, dry stools and short red urine. The tongue is red, with little coating and fine pulse. The patient should be aware of the fact that the patient’s skin is not only a little bit more painful, but also a lot more painful, and the ulcers are not deformed. The main reason for this is that it is not possible to find out the exact same thing. Such as Southeast Asia, Africa, America, etc. The clinical manifestations are external genital ulcers, inguinal lymph node suppuration, perforation and late external genital elephantiasis and rectal stenosis symptoms. The damage can be identified locally using cell culture methods, and the microimmunofluorescence test is positive for Chlamydia trachomatis antibodies. The clinical manifestations of genital herpes are blisters, superficial erosions or ulcers in the genital area, accompanied by pain, sometimes similar to soft chancre, but genital herpes often recurs in the same area. The first thing you need to do is to take a look at the website. During the treatment period, sexual intercourse should be avoided, and if the sexual partner has the possibility of infection, he should receive treatment at the same time. Follow-up should be conducted after treatment. (2) Internal treatment: (1) Dampness and heat: the treatment is to clear the heat and detoxify the dampness. (2) Poisonous-heat internalization: the treatment should be to remove fire and detoxify the toxin, and the formula should be added and subtracted by Huang Lian Detoxification Tang. (3) Yin deficiency and fire: to nourish Yin and generate fluids, to relieve fire and detoxify the toxin, using Bamboo Leaf and Astragalus Soup with addition and reduction. (3) External treatment method (1) sitz bath method: can use Huang Lian, Huang Bai, bitter ginseng, Tu Fu Ling, snake bed seeds and other drugs decoction after sitz bath. (2) External application method: can use Qing Dai San external application (60 grams of Qing Dai, 120 grams of gypsum, 120 grams of slippery stone, 60 grams of Phellodendron), research into fine powder, sesame oil transfer coating. 4, Western medicine treatment Treatment can be used azithromycin lg, oral, single dose; or ceftriaxone 250mg, intramuscular injection, single dose; or ciprofloxacin 500mg, oral, 2 times / day, for 3 days; or erythromycin base 50011mg, oral, 3 times / day, for 7 days. However, ciprofloxacin is prohibited for pregnant and lactating women. V. Prevention and care 1, abide by the moral code, avoid unclean sexual behavior way. 2.Strengthen legal education and stop sexual promiscuity. Strengthen the management of public health places to avoid indirect infection. 3.Do not have sex without cure, so as not to infect others. 4, receive treatment in regular hospitals, early consultation, early treatment, once the diagnosis is clear, should actively cooperate with the doctor for thorough treatment. 5. Avoid eating spicy and stimulating food during the illness. 6. References 1. An Ahh, ed. Beijing: People’s Health Publishing House, 1998. 2. Zhang Dongming, ed., Pelvic Floor and Anal Pathology. Guiyang: Guizhou Science and Technology Publishing House, 2000. 3. National standard, “Chinese medicine clinical diagnosis and treatment terminology (disease, evidence, treatment)”. State Technical Supervision Bureau 1997. 4. Molecular Virology, edited by Huang Wenlin. Beijing: People’s Health Publishing House, 2002. 5. Chinese anorectal pathology, edited by Huang Naijian. Jinan: Shandong Science and Technology Publishing House. 1996. 7. Dong T.C. et al. Introduction to the latest diagnostic criteria and treatment methods for sexually transmitted diseases of the Centers for Disease Control. Dermatology and Venereal Diseases, 2003, 25(2): 13-16. 8. Lu Deming, ed. Shanghai: Shanghai Science and Technology Press, 1997.