Using psychological techniques to manipulate others and bring invisible pressure or threats to others is unethical and should not be promoted. It may cause harm to others and destroy interpersonal relationships, so it is not recommended to do so. However, from the perspective of understanding the principles of psychology, there may be some situations where psychological effects are improperly used, such as： -**Create poor information and uncertainty**: Deliberately convey incomplete information, so that the other party is vague and uneasy about the situation, resulting in invisible pressure. For example, in a work scenario, if the leader does not clearly explain the key details of the project goals, the subordinates will feel anxious because they are not sure about their own work direction. -**Use of authoritative hints**: Relying on one's own status or the image of authority created, through words, attitudes, etc., to suggest that the other party is at a disadvantage or facing potential threats. Like some superiors, they often communicate with their subordinates in an imperative and stern tone, which puts a psychological burden on their subordinates. -**Means of social isolation**: Spreading negative comments in social groups or creating small groups to isolate someone, making them feel the pressure of exclusion and worry about losing social support. The application of truly healthy and positive psychology is to promote understanding, communication, growth, and the establishment of good relationships, rather than maliciously manipulating and harming others.