The company deducted 20 yuan insurance.

Legal Analysis: It is illegal for the company to deduct the employee's 20 yuan work injury insurance premium every month.

According to the provisions of Articles 33 and 35 of the Social Insurance Law, individual employees of work-related injury insurance do not pay, and the employer pays according to the total wages of all employees of the unit and the rate determined by the social insurance agency. It is illegal for a company to deduct 20 yuan industrial injury insurance premium from employees' wages every month.

Article 33 of the Social Insurance Law, employees shall participate in work-related injury insurance, and the employer shall pay the work-related injury insurance premium, while employees shall not pay the work-related injury insurance premium.

Article 35 The employing unit shall pay the work-related injury insurance premium according to the total wages of employees and the rate determined by the social insurance agency.

Legal basis: People's Republic of China (PRC) Social Insurance Law.

Article 33 Employees shall participate in work-related injury insurance, and the employer shall pay the work-related injury insurance premium, while employees shall not pay the work-related injury insurance premium.

Article 35 The employing unit shall pay the work-related injury insurance premium according to the total wages of employees and the rate determined by the social insurance agency.