If stuttering when nervous, you can use the following methods to improve: 1, use relaxation training methods to improve the problem of tension, such as the method of focusing on breathing, when they are particularly nervous, stuttering speech, stop excessive attention to tension, and turn to focus on their breathing, you can properly deep breathing, hold for a period of time, and then slowly exhale, do a few cycles later to shift their attention to breathing The first thing you can do is to calm yourself down and effectively relieve the tension.2. When you are nervous and stammering, you should speak more slowly and raise the volume appropriately to cover up stammering and voice trembling.3. If the problem is particularly severe tension and stammering, you can also consider taking medication for intervention and treatment, such as taking glutathione and vitamin B1 to relieve anxiety. You can also consider taking Chinese medicine for adjustment, such as Jiu Wei Zhen Xin Granules and An Xin Tonic Brain Solution. You can also take benzodiazepine sedative and anti-anxiety drugs, such as lorazepam and oxazepam.