Drinking soybean milk frequent urination may be physiological factors, polyuria frequent urination, inflammatory frequent urination, neurogenic frequent urination, bladder capacity reduction frequent urination, periurethral lesions and other causes. 1. Physiological factors: such as drinking more soy milk, mental stress, cold environment, can lead to increased urination, mostly normal phenomenon. Reduce the intake of liquid, improve the environment, adjust the mood, usually can improve the situation of frequent urination. 2. Pathologic factors: (1) polyuria frequency: increased urination, and each time the volume of urine is not less, and the total volume of urine increased. See diabetes mellitus, uremia, etc. (2) Inflammatory urinary frequency: frequent urination and small amount of urine each time, mostly accompanied by urinary urgency, urinary pain, such as cystitis, urethritis, prostatitis, etc.. (3) Neurogenic urinary frequency: frequent urination and small amount of urine each time, mostly seen in central and peripheral neuropathy, such as hysteria, neurogenic bladder. (4) Reduced bladder capacity urinary frequency: such as bladder occupation, bladder tuberculosis, etc., manifested as persistent urinary frequency. (5) Periurethral lesions: urethral polyps, parurethral cysts, etc. irritation of the urethral orifice causing urinary frequency. Frequent urination after drinking soy milk, it is recommended to seek timely medical attention and active treatment.