The Efficacy and Safety of Dezocine Pretreatment for Pain Relief in Acne Scar Treatment of Fractional CO2 Laser

Inclusion Criteria:

1. Age: 18-60 years old, regardless of gender;
2. Clinical diagnosis of atrophic acne scars;
3. Planning to undergo ultra-pulsed CO2 lattice laser therapy;
4. The patient agrees to participate in this experiment and signs an informed consentform

Exclusion Criteria: 1. Those who take sedative drugs for a long time; 2. Patients with sleep apnea syndrome, previous history of hypertension, and bloodpressure greater than 160/100mmHg 3. People with severe heart and lung diseases, liver and kidney diseases, psychosis,pregnancy, and communication disorders; 4. Persons who are known to be allergic to the main drug or any of the excipients inDezocine injection; 5. Increased intracranial pressure or head injury; 6. Acute and chronic alcoholism; 7. People with hypotension, hypothyroidism, acute episodes of asthma, and epilepsy