cin1 is also known as mild cervical intraepithelial neoplasia, can be temporarily observed without treatment, if the lesion develops or persistent hpv infection for more than 2 years, it needs to be treated by freezing, laser and other methods, usually do not take the way of treatment with drugs. cin1 is usually caused by hpv virus infection, more than half of the people will automatically turn negative, when you find such lesions can be temporarily observed, if the condition worsens or hpv infection for more than 2 years, colposcopy is sufficient, you can use freezing, laser and other methods of ablation treatment, if the colposcopy is not sufficient, you need to use the cervical conization of the cervix to carry out the treatment. If cervical cin1 occurs, it is recommended to consult a doctor in time, with the help of the doctor to clarify the cause of the disease, and to carry out targeted treatment or treatment, avoiding unauthorized use of drugs.