Hydrafacial injection is mainly used for hydration of small molecules of hyaluronic acid or other drugs injected into the dermis, with the effect of replenishing skin moisture, improving facial luster, shrinking pores, reducing wrinkles and so on. 1. Injection of hydrazine injection can play a rapid hydration effect in a short period of time, can effectively stimulate the skin’s metabolism, accelerate the discharge of melanin in the body, so as to improve the yellowish and dry skin; and secondly, it can also play a role in contracting and refining pores, prompting the skin to tighten the role of smooth. In addition, the water light injection can also fill up the sunken and sagging skin, improve the phenomenon of facial fine lines, crow’s feet and ChuanZiLin and so on. The effect of a single injection can be maintained for about a month, and the effect of a course of injections can be superimposed for a longer period of time. 2. People under 18 years of age, suffering from serious chronic systemic diseases (such as heart disease, hypertension, diabetes), as well as facial skin damage, infection foci, belonging to the keloid or allergy, should be prohibited from injecting hydrafacial injection. Some patients are prone to pain, bleeding spots and ecchymosis and other adverse reactions during the injection. It is recommended that patients go to the dermatology department of regular hospitals and under the operation of professional doctors for hydrafacial injection treatment.