After Deep Blue RF treatment, there is a risk of infection, pain, erythema, edema, blisters, skin ecchymosis, hyperpigmentation, skin burns, pruritus and other adverse reactions; long-term standardized treatment and scientific post-treatment care can be achieved to slow down the problem of skin aging and laxity. 1. Infection: Failure to strictly grasp the indications for surgery, failure to strictly carry out aseptic operation and improper postoperative care and other factors may lead to infection. 2. Pain: generally tolerable, if the pain is persistent, it is necessary to review the treatment in time. 3. Erythema, edema, blisters: a slight transient erythema after treatment is normal, but if the erythema is persistent and even blisters appear, then it is considered to be localized thermal burns, which requires timely medical treatment. 4. Skin ecchymosis: some patients will appear within 24 hours after treatment, and will disappear within 1-2 weeks. 5. Hyperpigmentation: rare, mostly due to improper operation and improper post-treatment care, usually temporary, most of which can subside in about 3 months. 6. Pruritus: rare, associated with the skin barrier has not been restored, occasionally patients will appear itching, pain, numbness. It is recommended that patients go to a regular hospital, fully communicate with the doctor to understand the corresponding matters, carefully choose whether to carry out deep blue radiofrequency, if there is discomfort, timely medical follow-up, follow the doctor’s instructions for treatment.