Squatting for a while to stand up hip pain is considered to be muscle strain, hip arthritis, femoral head necrosis and other diseases. 1. Muscle strain: muscle strain is a direct injury, such as muscle by direct pulling force. Hip muscle strain, can be manifested as muscle pain, activity limitation, swelling, etc., some patients can squat for a while to stand up hip pain. 2. Hip arthritis: Hip arthritis may be caused by hormone levels, excessive injury, overweight and other factors. Patients may also experience pain, soreness, swelling, impaired mobility and other symptoms, and the pain symptoms are aggravated after excessive activities. 3. Necrosis of the femoral head: Necrosis of the femoral head may be caused by factors such as trauma, glucocorticoid drugs, alcoholism and smoking. Symptoms are pain, soreness and swelling in the hip area, with the development of the disease symptoms gradually worsen, can also appear hip pain. There are many reasons that lead to squatting for a while and standing up with hip pain, it is recommended to go to the hospital in time, identify the cause of the disease and carry out targeted treatment.