Diagnostic basis, classification of symptoms, and assessment of efficacy of pelvic floor muscle spasm syndrome Pelvic floor muscle spasm syndrome is a disease with difficulty in defecation and anal discomfort as the main symptoms due to spasm of pelvic floor muscle (paradoxical contraction). 1. Diagnosis (1) Difficulty in defecation, defecation once in 3 to 4 days, with a dry texture and prolonged defecation time, which may be accompanied by anal pain during defecation and a feeling of incomplete defecation. (2) Anal finger examination shows tightness of the anal canal. (3) Defecography: the anal rectal angle does not increase during forceful defecation, and is mostly less than 90 degrees. (4) Electromyography shows increased excitability of pelvic floor muscles. (2) Classification of symptoms (1) Qi stagnation and blood stasis: difficulty in defecation, prolonged defecation time, pain in the anus during defecation, one line of stool for 2-3 days, dry in quality. The tongue is dull or with petechiae, and the pulse is astringent. (2) Damp-heat injection: difficulty in defecation, prolonged defecation, one line of stool for 3 to 4 days, dry in quality, feeling of incomplete stool, anal swelling. The tongue is red, the coating is yellow and greasy, and the pulse is slippery. (3) Yin deficiency and fire: difficulty in defecation, prolonged defecation time, stool 3 to 4 days a line, dry texture, dry mouth and desire to drink, may have night sweating. Red tongue, less coating, thin pulse, 3, efficacy assessment (1) cure: symptoms disappear, normal fecal imaging. (2) Improved: symptoms and fecal imaging have improved. (3) Not healed: symptoms and fecal imaging have not improved.