Repeated fever after taking hydrafacial injection is usually caused by drug allergy or infection, but other diseases that cause fever cannot be ruled out. The main ingredients of hydrafacial injection are hyaluronic acid, glutathione and tranexamic acid. Some of the drugs may cause systemic allergic reactions after entering the body, resulting in rashes, intense itching and low-grade fever in the body. Hydrographic injection-induced allergy and oral loratadine tablets, cetirizine tablets and other antihistamines treatment. Hydrographic injection after the needle holes are more, aseptic conditions are not strict or improper postoperative care may lead to the possibility of infection in the treatment area may cause local redness, swelling, pus, and symptoms of elevated body temperature. Hydrographic injection infection can be oral cefixime tablets and other antibiotic treatment. Hydrographic injection should choose regular medical institutions, operated by professional doctors or technicians to treat. The body is in allergies, infectious and other diseases during the attack or breastfeeding, pregnant women are generally not recommended to have a hydrafacial injection. Even the fever after hydrafacial injection is not necessarily directly related to the hydrafacial injection, does not exclude the body of other systemic problems caused by fever symptoms, so the recurrence of fever symptoms must be timely to the regular hospital to clarify the cause of the disease, and for different causes of the treatment, so as to avoid delaying the condition of the adverse consequences.