Legal analysis: it depends on whether the company's unilateral salary reduction is in compliance with the law. If it is, it is legal; if it is not, it is illegal. In practice, the company can only reduce the salary of employees in the following situations: 1, employees violate company discipline; 2. Employees are incompetent; 3. Adjust and reduce salary according to specific positions; 4. Pay reduction in performance appraisal; The company's economy is in trouble.
Legal basis: Article 35 of the Labor Contract Law of People's Republic of China (PRC), the employer and the employee can change the contents of the labor contract through consultation. Changes to the labor contract shall be made in written form. The revised text of the labor contract shall be held by the employer and the employee respectively.