My legs are weak, and I don t know what the problem is when I go to the toilet

Judging from the symptoms you described, it should be blood in the stool caused by hemorrhoids, you can build hemorrhoids suppositories, wash them with warm water every day, keep the area clean, don't eat spicy and irritating food, and drink plenty of water.

Urinalysis is recommended --- urinalysis is recommended.

Indicates that there is something wrong with the digestive system. It may be a dry stool, or it may be a problem with the endocrine system. It is best to eat some bananas, sesame oil and other things to moisten the intestines to promote bowel movements, and at the same time to exercise properly to improve the ability of intestinal peristalsis.

There are various structures for train toilet flushing, some are manual door cut-offs, some are foot pedals, and high-speed trains have a button on the wall, similar to a touch screen, with a circle sign drawn on it.

Don't wait for an answer here, you have to go to the hospital after all, go to the hospital for a check-up as soon as possible! That's the right medicine!