According to the Infectious Disease Prevention and Control Act of 2020, syphilis stage II is a category B infectious disease. Syphilis is a multi-system chronic sexually transmitted disease caused by syphilis spirochete infection, which is divided into stage I syphilis, stage II syphilis and stage III syphilis (late syphilis), and is mainly manifested as hard chancre, pityriasis rosea, flat warts, etc., and it is a category B infectious disease. Syphilis can be transmitted through sexual transmission, vertical transmission from mother to child, and blood-borne transmission, and requires timely intervention, as well as good personal hygiene care and isolation to prevent the spread of the disease. The treatment of syphilis mainly includes medication such as penicillin, etc. You should consult a doctor in a timely manner, under the guidance of the doctor, maintain a healthy lifestyle, avoid overwork, and pay attention to balanced nutrition.