It has the characteristics of promoting mucus elimination and dissolving secretions, which can promote the elimination of viscous secretions in the respiratory tract and reduce mucus retention, thus improving respiratory conditions. During treatment, the patient's mucus secretion can be restored to normal, coughing and sputum volume are usually significantly reduced, and the surfactant of the respiratory mucosa can thus play its normal protective function.

1. Completely or partially correct the central inhibitory effects of opioids, such as respiratory depression, sedation and hypotension. 2. It has a wake-promoting effect on animals with acute ethanol intoxication. 3. It is a pure opioid receptor antagonist and does not have the excitatory or morphine-like effects of other opioid receptor antagonists; it does not cause respiratory depression, psychotomimetic reactions or miotic reactions. 4. No drug tolerance, nor physiological or psychological dependence, has been observed. 5. Although the mechanism of action is not fully understood, there is sufficient evidence to show that it antagonizes the effects of opioids by competing for the same receptor sites.

1. Completely or partially correct the central inhibitory effects of opioids, such as respiratory depression, sedation and hypotension. 2. It has a wake-promoting effect on animals with acute ethanol intoxication. 3. It is a pure opioid receptor antagonist and does not have the excitatory or morphine-like effects of other opioid receptor antagonists; it does not cause respiratory depression, psychotomimetic reactions or miotic reactions. 4. No drug tolerance, nor physiological or psychological dependence, has been observed. 5. It antagonizes the effects of opioids by competing for the same receptor sites.

1. Completely or partially correct the central inhibitory effects of opioids, such as respiratory depression, sedation and hypotension; 2. It has a wake-promoting effect on animals with acute ethanol intoxication; 3. It is a pure opioid receptor antagonist and does not have the excitatory or morphine-like effects of other opioid receptor antagonists; 4. It does not cause respiratory depression, psychotomimetic reactions or miotic reactions; 5. There is no drug tolerance, nor physiological or psychological dependence; 6. It antagonizes the effects of opioids by competing for the same receptor sites.

1. Completely or partially correct the central inhibitory effects of opioids, such as respiratory depression, sedation and hypotension; 2. It has a wake-promoting effect on animals with acute ethanol poisoning; 3. It is a pure opioid receptor antagonist and does not have the excitatory or morphine-like effects of other opioid receptor antagonists, and does not cause respiratory depression, psychotomimetic reactions or mydriasis reactions; 4. There is no drug resistance, nor physiological or mental dependence; 5. It antagonizes the effects of opioids by competing for the same receptor sites.