Whether it is normal for a patient to have a local hard lump after interventional treatment is generally based on the specific nature of the hard lump for objective analysis. First, if the patient after the interventional microwave ablation treatment, the local trauma with fibrous tissue hyperplasia and the formation of hard masses. In this case, the hard mass is a normal reaction of the local tissue after the interventional treatment. In this case, the hard mass is a normal reaction of the local tissues after interventional treatment. Most patients can gradually absorb the local hard mass after 2-3 months and it will not cause serious complications. Second, if the patient has a serious local infection with local fluid and pus accumulation after interventional treatment, a hard mass will be formed. In this case, the local pathological changes are not normal, and patients need to actively give anti-infection and rehydration support treatment. If necessary, local inflammatory lesions can be removed or abscesses can be drained, and local necrotic tissues can be removed as soon as possible to eliminate local hard masses and achieve better results.