Generally speaking, there is no salary deduction for sick leave.
 During the period of medical treatment stipulated by the state, the employer shall pay the sick and injured leave salary of the employee at no less than 60% of his normal working hours salary, but not less than 80% of the minimum wage standard.
 That is to say, sick leave is calculated according to the basic salary. The employer can determine the salary standard of employees during sick leave between 60% and 100% of the standard salary.
 [Legal Basis]
 Article 59 of the Opinions of the Ministry of Labor on Several Issues Concerning the Implementation of the Labor Law of the People's Republic of China, during the treatment period of employees' illness or non work related injuries;
 During the specified medical treatment period, the enterprise shall pay sick pay or sickness relief according to relevant regulations. The sick pay or sickness relief may be lower than the local minimum wage standard, but not lower than 80% of the minimum wage standard.