The reason why you want to urinate when you have intercourse is often due to the following reasons: 1, the wrong posture of intercourse, the penis directly stimulates the urethra, it will cause this irritation symptoms, especially want to urinate. 2, women’s urethra is short and straight, once the intercourse has bacteria brought in, it is likely that the symptoms of wanting to urinate, and will lead to frequent, urgent, painful urination, so it is advisable to urinate once before intercourse It is recommended that before having intercourse, it is best to urinate once, which will ease the occurrence of this symptom. In addition, it is also recommended that women must keep their vulva clean in their daily lives and wash it with warm water twice a day, so as to avoid the stimulation of secretions that cause local inflammation of the urethra and lead to frequent urination and the symptoms of wanting to urinate.