With the improvement of people’s living standard and the rapid development of laser technology, laser medical aesthetic treatment has become a household topic. Pigmented diseases such as facial freckles, age spots, chloasma and vascular diseases such as hemangioma, enlarged pores, acne scars, overgrown hair, neck dermatomes, etc. often bring some troubles to your life, work, study and interactions. Common skin problems Face: facial age spots, chloasma, freckles, sun spots, acne scars Neck: superfluous skin Extremities: dense body hair Other: pigmentation, acne scars, vascular dilation, various birthmarks, tattoos, etc. Freckles: YAG is the first choice for freckles treatment, usually there will be significant improvement after 1~2 times of treatment, after freckles treatment, attention should be paid to sun protection and moisturizing. For those with higher requirements, they can also follow up with IPL or fruit acid peeling. These treatments are now mature treatments for nasal tip and relatively safe. Melasma: The cause of melasma is not clear, the mechanism is complicated, and there is a lack of very effective treatment means, combined treatment can achieve certain efficacy. Laser treatment: fractional laser, YAG, large energy Q laser, IPL. internal regulation to inhibit pigment synthesis mainly, such as oral tranexamic acid. Fruit acid peeling treatment is now also applied in many hospitals. Care: collagen, hyaluronic acid mask, etc. Also pay attention to psychological adjustment, sun protection, etc. Coffee spots: Coffee spots, also known as coffee milk spots, are present at birth; light brown to dark brown, the color is the same and very uniform, the depth is not affected by sunlight, the size varies from several millimeters to ten centimeters, the border is clear, the surface skin texture is completely normal, such as in the exposed part of the skin affects the beauty, you can choose Q532 treatment, the pigment becomes lighter after treatment, the good effect can disappear after 1~2 times of treatment. The younger the age of coffee spot, the better the treatment effect and the faster the pigment disappears. Cervical dermatophytosis: Dermatophytosis, also known as soft fibroma, is a kind of epidermal hyperkeratosis and dermal connective tissue proliferation disease. It can be treated by freezing or laser, and now the clinical laser is more frequently used. Nevus of Ota: Patients with nevus of Ota are more common in our daily life, and they are usually found in the eyelids, cheek area, temporal area and other obvious areas, and often develop unilaterally. However, it can also appear bilaterally in some cases with low chances. The color of nevus of Ota is brown, gray, cyanotic or black, which affects the aesthetics of the patient’s skin. Moreover, nevus of Ota often grows larger and larger. Q1064 is preferred for treatment, and the treatment interval is 3~6 months, and the treatment interval needs to be extended as the pigmentation decreases, and the patient needs sun protection and moisturizing after treatment. Basically, it can completely fade away. There are also seborrheic keratosis (age spots), freckle-like nevus, brownish nevus, pigmented gross epidermal nevus, tattoos and other pigmentation problems as well as acne scars and excessive hair growth can be achieved by laser with satisfactory results. Intense pulsed light, also called photorejuvenation, can achieve better results for pigmented diseases: chloasma, freckles, pigmentation, etc., hemangioma, facial capillary dilation, etc.