The treatment of old diarrhea and unshapely stools needs to first clarify the cause of the disease. If the cause is caused by diet, it is mainly to regulate; if it is caused by disease, it is necessary to choose medication (such as Bifidobacterium bifidum quadruple bacterial tablets, pivoxyl bromide), or even surgical treatment. 1. Dietary causes and treatment: such as irregular diet, like to eat stimulating food, etc. can lead to gastrointestinal peristalsis and digestive function abnormalities. Regular and light diet, emotional stability, moderate exercise, etc. are needed to regulate the disease. 2. Disease causes and treatment: such as intestinal flora dysbiosis can be given bifidobacterium tetrads tablets, lactobacillus tablets and other probiotics; such as irritable bowel syndrome can be given pivacurium bromide and other medications; such as ulcerative colitis can be given mesalazine, lancet sulfapyridine and other medications; such as intestinal masses need to consider surgical treatment. For the treatment of old unformed stools, it is recommended to consult a doctor, and drugs should be taken as prescribed by the doctor.