Illegal business organizations similar to defendants are very common in major cities at present, and these illegal operators have a strong sense of prevention, which brings great difficulties to consumers' rights protection. Some customers have spent hundreds of thousands of dollars for lack of evidence and failed cosmetic surgery. They can only eat Rhizoma Coptidis dumb, and they can't say how bitter they are. The plaintiff turned defeat into victory with almost no evidence, and obtained the evidence through the help of lawyers: recording and short messages are the key to winning the case. 2. The defendant's completely negative attitude and evasive behavior increased the difficulty of the plaintiff and his lawyer's work, including the defendant's evasive attitude in the process of serving the summons and the denial attitude in the trial. Only by using rich debating skills can lawyers turn the corner. 3. Even if the appraisal conclusion made by the judicial appraisal institution is extremely unfavorable to the plaintiff, it can still be supported by the court, and it needs the comprehensive quality of lawyers to convince the judge.