There is usually no harm in applying chlorhexidine acetate solution for a long period of time. Chlorhexidine acetate solution composition is mainly chlorhexidine acetate, the dose is usually 0.05% concentration, low dose of chlorhexidine acetate is less harmful to the skin, so usually long-term use is not harmful. Chlorhexidine acetate solution is a commonly used topical disinfectant for disinfecting skin and mucous membranes, wound infections, vaginal infections, and rinsing of cervical eruptions. It is highly sensitive to some staphylococci, Streptococcus mutans, Streptococcus salivarius, Candida albicans, Escherichia coli and other bacteria, and it can be adsorbed on the permeability barrier of bacterial plasma membrane, so that the cellular contents can leak out, inhibit the bacteria in low concentration, and kill the sterilization in high concentration. Therefore, the general long-term application of chlorhexidine acetate is not harmful. Some patients may occasionally cause adverse reactions such as contact dermatitis after use, and it is prohibited for those who are allergic to this product. Prohibit the use of soap, potassium iodide, borax and so on. Precautions: Allergic reactions to the skin and mucous membranes should be stopped immediately. In addition, it is recommended that patients use Chlorhexidine Acetate Solution under the guidance of a doctor to avoid blind self-medication.