You should limit the intake of seaweed and seafood, drink some yogurt and exercise properly. Just finished the operation, I suggest to have more rest. For the specific causes of pain, you can consult a doctor.
You must avoid drinking and smoking, so as not to be harmful to your condition. Generally speaking, within six months after cholecystectomy, the diet should be light, low in oil, high in protein (without egg yolk) and high in calories. You can take a small number of meals, especially not eating too much animal fat food at a time, such as fat meat, pig's trotters and so on. After a period of time (about half a year), the body will recover better.
Reasonable diet: mainly light, eat more crude fiber food and drink more water, which is beneficial to prevent hypertension, hyperlipidemia and habitual constipation. Developing good living habits can prevent and effectively control the occurrence and development of many diseases.