努力掌握科学的方式方法，讲究批评的艺术性，是使批评正确有效、立竿见影的重要保证。那么，怎样掌握批评的方式方法呢？我认为有以下几点：批评前要调查研究，弄清情况。在批评之前，有两方面的情况必须弄清楚：一是批评对象的基本情况，包括个人经历、个性、特点、一贯表现 Efforts to master the scientific methods and methods and to pay attention to the artistic nature of criticism are important guarantees that make criticism correct, effective and immediate. So, how to grasp the way of criticism? I think the following points: Before criticism, we should investigate and study to find out the situation. Before criticizing, there are two aspects that must be clarified: First, the basic conditions of critics, including personal experience, personality, characteristics, consistent performance